Radeon RX 640 vs GeForce 7900 GTX
Aggregate performance score
We've compared GeForce 7900 GTX with Radeon RX 640, including specs and performance data.
RX 640 outperforms 7900 GTX by a whopping 468% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1175 | 665 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 0.85 | 8.11 |
| Architecture | Curie (2003−2013) | GCN 4.0 (2016−2020) |
| GPU code name | G71 | Polaris 23 |
| Market segment | Desktop | Laptop |
| Release date | 9 March 2006 (19 years ago) | 13 May 2019 (6 years ago) |
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 cores | no data | 640 |
| Core clock speed | 650 MHz | 1082 MHz |
| Boost clock speed | no data | 1218 MHz |
| Number of transistors | 278 million | 2,200 million |
| Manufacturing process technology | 90 nm | 14 nm |
| Power consumption (TDP) | 84 Watt | 50 Watt |
| Texture fill rate | 15.60 | 48.72 |
| Floating-point processing power | no data | 1.559 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 24 | 40 |
| L1 Cache | no data | 160 KB |
| L2 Cache | no data | 512 KB |
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 | no data | large |
| Interface | PCIe 1.0 x16 | PCIe 3.0 x8 |
| Width | 1-slot | no data |
| Supplementary power connectors | 1x 6-pin | None |
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 | GDDR3 | GDDR5 |
| Maximum RAM amount | 512 MB | 2 GB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 800 MHz | 1500 MHz |
| Memory bandwidth | 51.2 GB/s | 48 GB/s |
| Shared memory | - | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 2x DVI, 1x S-Video | No outputs |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| FreeSync | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 12 (12_0) |
| Shader Model | 3.0 | 6.4 |
| OpenGL | 2.1 | 4.6 |
| OpenCL | N/A | 2.0 |
| Vulkan | N/A | 1.2.131 |
Synthetic benchmarks
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.
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.
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 | 4−5
−575%
| 27
+575%
|
FPS performance in popular games
Full HD
Low
| Counter-Strike 2 | 24−27
+0%
|
24−27
+0%
|
| Cyberpunk 2077 | 10−12
+0%
|
10−12
+0%
|
| Hogwarts Legacy | 10−12
+0%
|
10−12
+0%
|
Full HD
Medium
| Battlefield 5 | 30
+0%
|
30
+0%
|
| Counter-Strike 2 | 24−27
+0%
|
24−27
+0%
|
| Cyberpunk 2077 | 10−12
+0%
|
10−12
+0%
|
| Far Cry 5 | 21
+0%
|
21
+0%
|
| Fortnite | 30−35
+0%
|
30−35
+0%
|
| Forza Horizon 4 | 24−27
+0%
|
24−27
+0%
|
| Forza Horizon 5 | 14−16
+0%
|
14−16
+0%
|
| Hogwarts Legacy | 10−12
+0%
|
10−12
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 20−22
+0%
|
20−22
+0%
|
| Valorant | 60−65
+0%
|
60−65
+0%
|
Full HD
High
| Battlefield 5 | 23
+0%
|
23
+0%
|
| Counter-Strike 2 | 24−27
+0%
|
24−27
+0%
|
| Counter-Strike: Global Offensive | 90−95
+0%
|
90−95
+0%
|
| Cyberpunk 2077 | 10−12
+0%
|
10−12
+0%
|
| Dota 2 | 53
+0%
|
53
+0%
|
| Far Cry 5 | 16−18
+0%
|
16−18
+0%
|
| Fortnite | 30−35
+0%
|
30−35
+0%
|
| Forza Horizon 4 | 24−27
+0%
|
24−27
+0%
|
| Forza Horizon 5 | 14−16
+0%
|
14−16
+0%
|
| Grand Theft Auto V | 18−20
+0%
|
18−20
+0%
|
| Hogwarts Legacy | 10−12
+0%
|
10−12
+0%
|
| Metro Exodus | 10−11
+0%
|
10−11
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 20−22
+0%
|
20−22
+0%
|
| The Witcher 3: Wild Hunt | 20
+0%
|
20
+0%
|
| Valorant | 60−65
+0%
|
60−65
+0%
|
Full HD
Ultra
| Battlefield 5 | 21−24
+0%
|
21−24
+0%
|
| Cyberpunk 2077 | 10−12
+0%
|
10−12
+0%
|
| Dota 2 | 49
+0%
|
49
+0%
|
| Far Cry 5 | 16−18
+0%
|
16−18
+0%
|
| Forza Horizon 4 | 24−27
+0%
|
24−27
+0%
|
| Hogwarts Legacy | 10−12
+0%
|
10−12
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 20−22
+0%
|
20−22
+0%
|
| The Witcher 3: Wild Hunt | 11
+0%
|
11
+0%
|
| Valorant | 60−65
+0%
|
60−65
+0%
|
Full HD
Epic
| Fortnite | 30−35
+0%
|
30−35
+0%
|
1440p
High
| Counter-Strike 2 | 10−11
+0%
|
10−11
+0%
|
| Counter-Strike: Global Offensive | 40−45
+0%
|
40−45
+0%
|
| Grand Theft Auto V | 5−6
+0%
|
5−6
+0%
|
| Metro Exodus | 4−5
+0%
|
4−5
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 35−40
+0%
|
35−40
+0%
|
| Valorant | 55−60
+0%
|
55−60
+0%
|
1440p
Ultra
| Battlefield 5 | 6−7
+0%
|
6−7
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Far Cry 5 | 10−11
+0%
|
10−11
+0%
|
| Forza Horizon 4 | 12−14
+0%
|
12−14
+0%
|
| Hogwarts Legacy | 6−7
+0%
|
6−7
+0%
|
| The Witcher 3: Wild Hunt | 8−9
+0%
|
8−9
+0%
|
1440p
Epic
| Fortnite | 10−12
+0%
|
10−12
+0%
|
4K
High
| Grand Theft Auto V | 16−18
+0%
|
16−18
+0%
|
| Hogwarts Legacy | 1−2
+0%
|
1−2
+0%
|
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
| Valorant | 27−30
+0%
|
27−30
+0%
|
4K
Ultra
| Battlefield 5 | 3−4
+0%
|
3−4
+0%
|
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Dota 2 | 18−20
+0%
|
18−20
+0%
|
| Far Cry 5 | 4−5
+0%
|
4−5
+0%
|
| Forza Horizon 4 | 8−9
+0%
|
8−9
+0%
|
| Hogwarts Legacy | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 5−6
+0%
|
5−6
+0%
|
4K
Epic
| Fortnite | 5−6
+0%
|
5−6
+0%
|
This is how 7900 GTX and RX 640 compete in popular games:
- RX 640 is 575% faster in 1080p
All in all, in popular games:
- there's a draw in 63 tests (100%)
Pros & cons summary
| Performance score | 0.93 | 5.28 |
| Recency | 9 March 2006 | 13 May 2019 |
| Maximum RAM amount | 512 MB | 2 GB |
| Chip lithography | 90 nm | 14 nm |
| Power consumption (TDP) | 84 Watt | 50 Watt |
RX 640 has a 467.7% higher aggregate performance score, an age advantage of 13 years, a 300% higher maximum VRAM amount, a 542.9% more advanced lithography process, and 68% lower power consumption.
The Radeon RX 640 is our recommended choice as it beats the GeForce 7900 GTX in performance tests.
Be aware that GeForce 7900 GTX is a desktop graphics card while Radeon RX 640 is a notebook one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
