Radeon HD 6450 GDDR5 vs ATI HD 4870

Aggregate performance score

We've compared Radeon HD 4870 and Radeon HD 6450 GDDR5, covering specs and all relevant benchmarks.

ATI HD 4870
2008
1 GB GDDR5, 150 Watt
3.56
+271%

ATI HD 4870 outperforms HD 6450 GDDR5 by a whopping 271% based on our aggregate benchmark results.

Primary details

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

Place in the ranking7181116
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.31no data
Power efficiency1.662.48
ArchitectureTeraScale (2005−2013)Terascale 2 (2009−2015)
GPU code nameRV770Caicos
Market segmentDesktopDesktop
Release date25 June 2008 (16 years ago)18 April 2011 (13 years ago)
Launch price (MSRP)$299 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores800160
Core clock speed750 MHz750 MHz
Number of transistors956 millionno data
Manufacturing process technology55 nm40 nm
Power consumption (TDP)150 Watt27 Watt
Texture fill rate30.00no data
Floating-point processing power1.2 TFLOPSno data
ROPs16no data
TMUs40no data

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 x16no data
Length250 mmno data
Width2-slotno data
Supplementary power connectors2x 6-pinno data

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 typeGDDR5GDDR5
Maximum RAM amount1 GB1 GB
Memory bus width256 Bit64 Bit
Memory clock speed900 MHz900 MHz
Memory bandwidth115.2 GB/sno data
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 Connectors2x DVI, 1x S-Videono data

API compatibility

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

DirectX10.1 (10_1)11
Shader Model4.1no data
OpenGL3.3no data
OpenCL1.1no data
VulkanN/A-

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:

900p24−27
+243%
7
−243%
Full HD55−60
+267%
15
−267%
1200p18−20
+260%
5
−260%

Cost per frame, $

1080p5.44no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
+0%
3−4
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 12−14
+0%
12−14
+0%
Red Dead Redemption 2 1−2
+0%
1−2
+0%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
High Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 12−14
+0%
12−14
+0%
Red Dead Redemption 2 1−2
+0%
1−2
+0%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 12−14
+0%
12−14
+0%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Epic Preset

Red Dead Redemption 2 1−2
+0%
1−2
+0%

1440p
High Preset

Battlefield 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 1−2
+0%
1−2
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Hitman 3 7−8
+0%
7−8
+0%
Horizon Zero Dawn 4−5
+0%
4−5
+0%
The Witcher 3: Wild Hunt 0−1 0−1
Watch Dogs: Legion 4−5
+0%
4−5
+0%

1440p
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Assassin's Creed Valhalla 0−1 0−1
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

This is how ATI HD 4870 and HD 6450 GDDR5 compete in popular games:

  • ATI HD 4870 is 243% faster in 900p
  • ATI HD 4870 is 267% faster in 1080p
  • ATI HD 4870 is 260% faster in 1200p

All in all, in popular games:

  • there's a draw in 43 tests (100%)

Pros & cons summary


Performance score 3.56 0.96
Recency 25 June 2008 18 April 2011
Chip lithography 55 nm 40 nm
Power consumption (TDP) 150 Watt 27 Watt

ATI HD 4870 has a 270.8% higher aggregate performance score.

HD 6450 GDDR5, on the other hand, has an age advantage of 2 years, a 37.5% more advanced lithography process, and 455.6% lower power consumption.

The Radeon HD 4870 is our recommended choice as it beats the Radeon HD 6450 GDDR5 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 4870
Radeon HD 4870
AMD Radeon HD 6450 GDDR5
Radeon HD 6450 GDDR5

Comparisons with similar GPUs

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Community ratings

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


3.3 227 votes

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3.4 24 votes

Rate Radeon HD 6450 GDDR5 on a scale of 1 to 5:

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Questions & comments

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