Radeon RX 6700 XT vs ATI HD 3870 X2

VS

Aggregate performance score

We've compared Radeon HD 3870 X2 and Radeon RX 6700 XT, covering specs and all relevant benchmarks.

ATI HD 3870 X2
2008
512 MB GDDR3, 165 Watt
1.83

RX 6700 XT outperforms ATI HD 3870 X2 by a whopping 2714% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking91350
Place by popularitynot in top-10082
Cost-effectiveness evaluation0.0458.04
Power efficiency0.7715.51
ArchitectureTeraScale (2005−2013)RDNA 2.0 (2020−2024)
GPU code nameR680Navi 22
Market segmentDesktopDesktop
Release date26 January 2008 (16 years ago)3 March 2021 (3 years ago)
Launch price (MSRP)$449 $479

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RX 6700 XT has 145000% better value for money than ATI HD 3870 X2.

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3202560
Core clock speed825 MHz2321 MHz
Boost clock speedno data2581 MHz
Number of transistors666 million17,200 million
Manufacturing process technology55 nm7 nm
Power consumption (TDP)165 Watt230 Watt
Texture fill rate13.20413.0
Floating-point processing power0.528 TFLOPS13.21 TFLOPS
ROPs1664
TMUs16160
Ray Tracing Coresno data40

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x16PCIe 4.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 8-pin1x 6-pin + 1x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR3GDDR6
Maximum RAM amount512 MB12 GB
Memory bus width256 Bit192 Bit
Memory clock speed901 MHz2000 MHz
Memory bandwidth57.66 GB/s384.0 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors2x DVI, 1x S-Video1x HDMI, 3x DisplayPort
HDMI-+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX10.1 (10_1)12 Ultimate (12_2)
Shader Model4.16.5
OpenGL3.34.6
OpenCLN/A2.1
VulkanN/A1.2

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

ATI HD 3870 X2 1.83
RX 6700 XT 51.50
+2714%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

ATI HD 3870 X2 708
RX 6700 XT 19874
+2707%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD5−6
−3120%
161
+3120%
1440p3−4
−2933%
91
+2933%
4K1−2
−5000%
51
+5000%

Cost per frame, $

1080p89.802.98
1440p149.675.26
4K449.009.39

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 119
+0%
119
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 100−110
+0%
100−110
+0%
Assassin's Creed Valhalla 169
+0%
169
+0%
Battlefield 5 160−170
+0%
160−170
+0%
Call of Duty: Modern Warfare 100−105
+0%
100−105
+0%
Cyberpunk 2077 99
+0%
99
+0%
Far Cry 5 100−110
+0%
100−110
+0%
Far Cry New Dawn 120−130
+0%
120−130
+0%
Forza Horizon 4 210−220
+0%
210−220
+0%
Hitman 3 138
+0%
138
+0%
Horizon Zero Dawn 200−210
+0%
200−210
+0%
Metro Exodus 140−150
+0%
140−150
+0%
Red Dead Redemption 2 100−110
+0%
100−110
+0%
Shadow of the Tomb Raider 200−210
+0%
200−210
+0%
Watch Dogs: Legion 140−150
+0%
140−150
+0%

Full HD
High Preset

Assassin's Creed Odyssey 100−110
+0%
100−110
+0%
Assassin's Creed Valhalla 144
+0%
144
+0%
Battlefield 5 160−170
+0%
160−170
+0%
Call of Duty: Modern Warfare 100−105
+0%
100−105
+0%
Cyberpunk 2077 90
+0%
90
+0%
Far Cry 5 100−110
+0%
100−110
+0%
Far Cry New Dawn 120−130
+0%
120−130
+0%
Forza Horizon 4 210−220
+0%
210−220
+0%
Hitman 3 136
+0%
136
+0%
Horizon Zero Dawn 200−210
+0%
200−210
+0%
Metro Exodus 140−150
+0%
140−150
+0%
Red Dead Redemption 2 100−110
+0%
100−110
+0%
Shadow of the Tomb Raider 281
+0%
281
+0%
The Witcher 3: Wild Hunt 100−110
+0%
100−110
+0%
Watch Dogs: Legion 140−150
+0%
140−150
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 100−110
+0%
100−110
+0%
Assassin's Creed Valhalla 125
+0%
125
+0%
Call of Duty: Modern Warfare 100−105
+0%
100−105
+0%
Cyberpunk 2077 85
+0%
85
+0%
Far Cry 5 100−110
+0%
100−110
+0%
Forza Horizon 4 210−220
+0%
210−220
+0%
Hitman 3 135
+0%
135
+0%
Horizon Zero Dawn 193
+0%
193
+0%
Shadow of the Tomb Raider 240
+0%
240
+0%
The Witcher 3: Wild Hunt 127
+0%
127
+0%
Watch Dogs: Legion 84
+0%
84
+0%

Full HD
Epic Preset

Red Dead Redemption 2 100−110
+0%
100−110
+0%

1440p
High Preset

Battlefield 5 100−110
+0%
100−110
+0%
Far Cry New Dawn 80−85
+0%
80−85
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 55−60
+0%
55−60
+0%
Assassin's Creed Valhalla 109
+0%
109
+0%
Call of Duty: Modern Warfare 60−65
+0%
60−65
+0%
Cyberpunk 2077 56
+0%
56
+0%
Far Cry 5 60−65
+0%
60−65
+0%
Forza Horizon 4 260−270
+0%
260−270
+0%
Hitman 3 83
+0%
83
+0%
Horizon Zero Dawn 145
+0%
145
+0%
Metro Exodus 123
+0%
123
+0%
Shadow of the Tomb Raider 173
+0%
173
+0%
The Witcher 3: Wild Hunt 80−85
+0%
80−85
+0%
Watch Dogs: Legion 220−230
+0%
220−230
+0%

1440p
Epic Preset

Red Dead Redemption 2 85−90
+0%
85−90
+0%

4K
High Preset

Battlefield 5 55−60
+0%
55−60
+0%
Far Cry New Dawn 45−50
+0%
45−50
+0%
Hitman 3 48
+0%
48
+0%
Horizon Zero Dawn 210−220
+0%
210−220
+0%
Metro Exodus 70−75
+0%
70−75
+0%
The Witcher 3: Wild Hunt 74
+0%
74
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 35−40
+0%
35−40
+0%
Assassin's Creed Valhalla 48
+0%
48
+0%
Call of Duty: Modern Warfare 35−40
+0%
35−40
+0%
Cyberpunk 2077 25
+0%
25
+0%
Far Cry 5 30−35
+0%
30−35
+0%
Forza Horizon 4 75−80
+0%
75−80
+0%
Shadow of the Tomb Raider 93
+0%
93
+0%
Watch Dogs: Legion 35
+0%
35
+0%

4K
Epic Preset

Red Dead Redemption 2 45−50
+0%
45−50
+0%

This is how ATI HD 3870 X2 and RX 6700 XT compete in popular games:

  • RX 6700 XT is 3120% faster in 1080p
  • RX 6700 XT is 2933% faster in 1440p
  • RX 6700 XT is 5000% faster in 4K

All in all, in popular games:

  • there's a draw in 72 tests (100%)

Pros & cons summary


Performance score 1.83 51.50
Recency 26 January 2008 3 March 2021
Maximum RAM amount 512 MB 12 GB
Chip lithography 55 nm 7 nm
Power consumption (TDP) 165 Watt 230 Watt

ATI HD 3870 X2 has 39.4% lower power consumption.

RX 6700 XT, on the other hand, has a 2714.2% higher aggregate performance score, an age advantage of 13 years, a 2300% higher maximum VRAM amount, and a 685.7% more advanced lithography process.

The Radeon RX 6700 XT is our recommended choice as it beats the Radeon HD 3870 X2 in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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ATI Radeon HD 3870 X2
Radeon HD 3870 X2
AMD Radeon RX 6700 XT
Radeon RX 6700 XT

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.9 11 votes

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4.4 6496 votes

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Questions & comments

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