Radeon RX 6600 XT vs ATI Mobility HD 5870

Place in performance ranking	779	90
Place by popularity	not in top-100	75
Cost-effectiveness evaluation	no data	65.17
Architecture	Terascale 2 (2009−2015)	Navi / RDNA2 (2020−2022)
GPU code name	Broadway-XT	Navi 23
Market segment	Laptop	Desktop
Release date	7 January 2010 (14 years ago)	30 July 2021 (3 years ago)
Launch price (MSRP)	no data	$379

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	800	2048
Core clock speed	700 MHz	1968 MHz
Boost clock speed	no data	2589 MHz
Number of transistors	1,040 million	11,060 million
Manufacturing process technology	40 nm	7 nm
Power consumption (TDP)	50 Watt	160 (TGP) Watt
Texture fill rate	28.00	331.4
Floating-point performance	1.12 gflops	10.6 gflops

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).

Laptop size	large	no data
Interface	MXM-B (3.0)	PCIe 4.0 x8
Length	no data	190 mm
Width	no data	2-slot
Supplementary power connectors	no data	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 type	DDR3, GDDR3, GDDR5	GDDR6
Maximum RAM amount	1 GB	8 GB
Memory bus width	128 Bit	128 Bit
Memory clock speed	1000 MHz	16000 MHz
Memory bandwidth	64 GB/s	256.0 GB/s
Shared memory	-	-

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 Connectors	No outputs	1x HDMI, 2x DisplayPort
HDMI	-	+

API compatibility

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

DirectX	11.2 (11_0)	12.0 Ultimate (12_2)
Shader Model	5.0	6.5
OpenGL	4.4	4.6
OpenCL	1.2	2.1
Vulkan	N/A	1.2

Synthetic benchmark performance

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

Combined synthetic benchmark score

This is our combined benchmark performance 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 Mobility HD 5870 2.96

RX 6600 XT 42.80
+1346%

3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

ATI Mobility HD 5870 7999

RX 6600 XT 88163
+1002%

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 HD	37 −249%	129 +249%
1440p	4−5 −1650%	70 +1650%
4K	2−3 −1950%	41 +1950%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

6−7

−1217%

79
+1217%

Full HD
Medium Preset

Assassin's Creed Odyssey	9−10 −900%	90−95 +900%
Assassin's Creed Valhalla	1−2 −12800%	129 +12800%
Battlefield 5	5−6 −2640%	130−140 +2640%
Call of Duty: Modern Warfare	7−8 −1129%	85−90 +1129%
Cyberpunk 2077	6−7 −1200%	78 +1200%
Far Cry 5	6−7 −1417%	90−95 +1417%
Far Cry New Dawn	8−9 −1213%	100−110 +1213%
Forza Horizon 4	16−18 −1144%	190−200 +1144%
Hitman 3	8−9 −1250%	108 +1250%
Horizon Zero Dawn	21−24 −691%	170−180 +691%
Metro Exodus	3−4 −4333%	130−140 +4333%
Red Dead Redemption 2	7−8 −1286%	95−100 +1286%
Shadow of the Tomb Raider	12−14 −1225%	150−160 +1225%
Watch Dogs: Legion	35−40 −241%	130−140 +241%

Full HD
High Preset

Assassin's Creed Odyssey	9−10 −900%	90−95 +900%
Assassin's Creed Valhalla	1−2 −10500%	106 +10500%
Battlefield 5	5−6 −2640%	130−140 +2640%
Call of Duty: Modern Warfare	7−8 −1129%	85−90 +1129%
Cyberpunk 2077	6−7 −1167%	76 +1167%
Far Cry 5	6−7 −1417%	90−95 +1417%
Far Cry New Dawn	8−9 −1213%	100−110 +1213%
Forza Horizon 4	16−18 −1144%	190−200 +1144%
Hitman 3	8−9 −1250%	108 +1250%
Horizon Zero Dawn	21−24 −691%	170−180 +691%
Metro Exodus	3−4 −4333%	130−140 +4333%
Red Dead Redemption 2	7−8 −1286%	95−100 +1286%
Shadow of the Tomb Raider	12−14 −1642%	209 +1642%
The Witcher 3: Wild Hunt	14−16 −529%	85−90 +529%
Watch Dogs: Legion	35−40 −241%	130−140 +241%

Full HD
Ultra Preset

Assassin's Creed Odyssey	9−10 −900%	90−95 +900%
Assassin's Creed Valhalla	1−2 −7400%	75 +7400%
Call of Duty: Modern Warfare	7−8 −1129%	85−90 +1129%
Cyberpunk 2077	6−7 −1050%	69 +1050%
Far Cry 5	6−7 −1417%	90−95 +1417%
Forza Horizon 4	16−18 −1144%	190−200 +1144%
Hitman 3	8−9 −1150%	100 +1150%
Horizon Zero Dawn	21−24 −614%	157 +614%
Shadow of the Tomb Raider	12−14 −1425%	183 +1425%
The Witcher 3: Wild Hunt	14−16 −607%	99 +607%
Watch Dogs: Legion	35−40 −56.4%	61 +56.4%

Full HD
Epic Preset

Red Dead Redemption 2

7−8

−1286%

95−100
+1286%

1440p
High Preset

Battlefield 5	5−6 −1560%	80−85 +1560%
Far Cry New Dawn	4−5 −1525%	65−70 +1525%

1440p
Ultra Preset

Assassin's Creed Odyssey	3−4 −1467%	45−50 +1467%
Call of Duty: Modern Warfare	2−3 −2400%	50−55 +2400%
Cyberpunk 2077	1−2 −3900%	40 +3900%
Far Cry 5	3−4 −1533%	45−50 +1533%
Hitman 3	8−9 −738%	67 +738%
Horizon Zero Dawn	7−8 −1557%	116 +1557%
The Witcher 3: Wild Hunt	2−3 −3100%	60−65 +3100%
Watch Dogs: Legion	18−20 −1022%	200−210 +1022%

1440p
Epic Preset

Red Dead Redemption 2

6−7

−1133%

70−75
+1133%

4K
High Preset

Battlefield 5	1−2 −4200%	40−45 +4200%
Far Cry New Dawn	2−3 −1750%	35−40 +1750%

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 −1400%	30−33 +1400%
Assassin's Creed Valhalla	1−2 −2700%	28 +2700%
Call of Duty: Modern Warfare	1−2 −2700%	27−30 +2700%
Far Cry 5	1−2 −2400%	24−27 +2400%
Forza Horizon 4	0−1	60−65
Watch Dogs: Legion	1−2 −2300%	24 +2300%

4K
Epic Preset

Red Dead Redemption 2

4−5

−875%

35−40
+875%

1440p
Ultra Preset

Assassin's Creed Valhalla	56 +0%	56 +0%
Forza Horizon 4	230−240 +0%	230−240 +0%
Metro Exodus	98 +0%	98 +0%
Shadow of the Tomb Raider	118 +0%	118 +0%

4K
High Preset

Hitman 3	33 +0%	33 +0%
Horizon Zero Dawn	190−200 +0%	190−200 +0%
Metro Exodus	55−60 +0%	55−60 +0%
The Witcher 3: Wild Hunt	54 +0%	54 +0%

4K
Ultra Preset

Cyberpunk 2077	14 +0%	14 +0%
Shadow of the Tomb Raider	61 +0%	61 +0%

This is how ATI Mobility HD 5870 and RX 6600 XT compete in popular games:

RX 6600 XT is 249% faster in 1080p
RX 6600 XT is 1650% faster in 1440p
RX 6600 XT is 1950% faster in 4K

Here's the range of performance differences observed across popular games:

in Assassin's Creed Valhalla, with 1080p resolution and the Medium Preset, the RX 6600 XT is 12800% faster.

All in all, in popular games:

RX 6600 XT is ahead in 61 test (86%)
there's a draw in 10 tests (14%)

Pros & cons summary

Performance score	2.96	42.80
Recency	7 January 2010	30 July 2021
Maximum RAM amount	1 GB	8 GB
Chip lithography	40 nm	7 nm
Power consumption (TDP)	50 Watt	160 Watt

ATI Mobility HD 5870 has 220% lower power consumption.

RX 6600 XT, on the other hand, has a 1345.9% higher aggregate performance score, an age advantage of 11 years, a 700% higher maximum VRAM amount, and a 471.4% more advanced lithography process.

The Radeon RX 6600 XT is our recommended choice as it beats the Mobility Radeon HD 5870 in performance tests.

Be aware that Mobility Radeon HD 5870 is a notebook card while Radeon RX 6600 XT is a desktop one.

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