GeForce GT 640 OEM vs Radeon HD 7770

Aggregate performance score

We've compared Radeon HD 7770 and GeForce GT 640 OEM, covering specs and all relevant benchmarks.

HD 7770
2012
2 GB GDDR5, 80 Watt
5.63
+231%

HD 7770 outperforms GT 640 OEM by a whopping 231% based on our aggregate benchmark results.

Primary details

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

Place in the ranking594927
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.33no data
Power efficiency5.082.46
ArchitectureGCN 1.0 (2011−2020)Kepler (2012−2018)
GPU code nameCape VerdeGK107
Market segmentDesktopDesktop
Release date15 February 2012 (12 years ago)24 April 2012 (12 years ago)
Launch price (MSRP)$159 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 cores640384
Core clock speed1000 MHz797 MHz
Number of transistors1,500 million1,270 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)80 Watt50 Watt
Texture fill rate40.0025.50
Floating-point processing power1.28 TFLOPS0.6121 TFLOPS
ROPs1616
TMUs4032

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 3.0 x16PCIe 3.0 x16
Length210 mm145 mm
Width2-slot1-slot
Supplementary power connectors1x 6-pinNone

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 typeGDDR5DDR3
Maximum RAM amount2 GB2 GB
Memory bus width128 Bit128 Bit
Memory clock speed1125 MHz891 MHz
Memory bandwidth72 GB/s28.51 GB/s
Shared memory-no data

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 Connectors1x DVI, 1x HDMI, 2x mini-DisplayPort1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity+-
HDMI++

API compatibility

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

DirectX12 (11_1)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.1.126
CUDA-3.0

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:

900p47
+236%
14−16
−236%
Full HD45
+275%
12−14
−275%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 9−10
+350%
2−3
−350%

Full HD
Medium Preset

Assassin's Creed Odyssey 14−16
+275%
4−5
−275%
Assassin's Creed Valhalla 6−7
+500%
1−2
−500%
Battlefield 5 14−16
+275%
4−5
−275%
Call of Duty: Modern Warfare 12−14
+300%
3−4
−300%
Cyberpunk 2077 9−10
+350%
2−3
−350%
Far Cry 5 12−14
+300%
3−4
−300%
Far Cry New Dawn 16−18
+300%
4−5
−300%
Forza Horizon 4 35−40
+260%
10−11
−260%
Hitman 3 12−14
+300%
3−4
−300%
Horizon Zero Dawn 35−40
+250%
10−11
−250%
Metro Exodus 14−16
+250%
4−5
−250%
Red Dead Redemption 2 14−16
+275%
4−5
−275%
Shadow of the Tomb Raider 20−22
+233%
6−7
−233%
Watch Dogs: Legion 45−50
+243%
14−16
−243%

Full HD
High Preset

Assassin's Creed Odyssey 14−16
+275%
4−5
−275%
Assassin's Creed Valhalla 6−7
+500%
1−2
−500%
Battlefield 5 14−16
+275%
4−5
−275%
Call of Duty: Modern Warfare 12−14
+300%
3−4
−300%
Cyberpunk 2077 9−10
+350%
2−3
−350%
Far Cry 5 12−14
+300%
3−4
−300%
Far Cry New Dawn 16−18
+300%
4−5
−300%
Forza Horizon 4 35−40
+260%
10−11
−260%
Hitman 3 12−14
+300%
3−4
−300%
Horizon Zero Dawn 35−40
+250%
10−11
−250%
Metro Exodus 14−16
+250%
4−5
−250%
Red Dead Redemption 2 14−16
+275%
4−5
−275%
Shadow of the Tomb Raider 20−22
+233%
6−7
−233%
The Witcher 3: Wild Hunt 18−20
+280%
5−6
−280%
Watch Dogs: Legion 45−50
+243%
14−16
−243%

Full HD
Ultra Preset

Assassin's Creed Odyssey 14−16
+275%
4−5
−275%
Assassin's Creed Valhalla 6−7
+500%
1−2
−500%
Call of Duty: Modern Warfare 12−14
+300%
3−4
−300%
Cyberpunk 2077 9−10
+350%
2−3
−350%
Far Cry 5 12−14
+300%
3−4
−300%
Forza Horizon 4 35−40
+260%
10−11
−260%
Hitman 3 12−14
+300%
3−4
−300%
Horizon Zero Dawn 35−40
+250%
10−11
−250%
Shadow of the Tomb Raider 20−22
+233%
6−7
−233%
The Witcher 3: Wild Hunt 18−20
+280%
5−6
−280%
Watch Dogs: Legion 45−50
+243%
14−16
−243%

Full HD
Epic Preset

Red Dead Redemption 2 14−16
+275%
4−5
−275%

1440p
High Preset

Battlefield 5 10−12
+267%
3−4
−267%
Far Cry New Dawn 9−10
+350%
2−3
−350%

1440p
Ultra Preset

Assassin's Creed Odyssey 5−6
+400%
1−2
−400%
Assassin's Creed Valhalla 1−2 0−1
Call of Duty: Modern Warfare 5−6
+400%
1−2
−400%
Cyberpunk 2077 3−4 0−1
Far Cry 5 6−7
+500%
1−2
−500%
Forza Horizon 4 14−16
+275%
4−5
−275%
Hitman 3 10−11
+233%
3−4
−233%
Horizon Zero Dawn 12−14
+300%
3−4
−300%
Metro Exodus 4−5
+300%
1−2
−300%
Shadow of the Tomb Raider 0−1 0−1
The Witcher 3: Wild Hunt 5−6
+400%
1−2
−400%
Watch Dogs: Legion 35−40
+260%
10−11
−260%

1440p
Epic Preset

Red Dead Redemption 2 10−11
+233%
3−4
−233%

4K
High Preset

Battlefield 5 4−5
+300%
1−2
−300%
Far Cry New Dawn 4−5
+300%
1−2
−300%
Hitman 3 2−3 0−1
Horizon Zero Dawn 12−14
+300%
3−4
−300%
Metro Exodus 2−3 0−1
The Witcher 3: Wild Hunt 2−3 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 3−4 0−1
Assassin's Creed Valhalla 2−3 0−1
Call of Duty: Modern Warfare 2−3 0−1
Cyberpunk 2077 0−1 0−1
Far Cry 5 3−4 0−1
Forza Horizon 4 5−6
+400%
1−2
−400%
Watch Dogs: Legion 2−3 0−1

4K
Epic Preset

Red Dead Redemption 2 6−7
+500%
1−2
−500%

This is how HD 7770 and GT 640 OEM compete in popular games:

  • HD 7770 is 236% faster in 900p
  • HD 7770 is 275% faster in 1080p

Pros & cons summary


Performance score 5.63 1.70
Recency 15 February 2012 24 April 2012
Power consumption (TDP) 80 Watt 50 Watt

HD 7770 has a 231.2% higher aggregate performance score.

GT 640 OEM, on the other hand, has an age advantage of 2 months, and 60% lower power consumption.

The Radeon HD 7770 is our recommended choice as it beats the GeForce GT 640 OEM 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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AMD Radeon HD 7770
Radeon HD 7770
NVIDIA GeForce GT 640 OEM
GeForce GT 640 OEM

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.


3.7 923 votes

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3.9 35 votes

Rate GeForce GT 640 OEM on a scale of 1 to 5:

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Questions & comments

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