Radeon RX 640 vs GRID K340
Aggregate performance score
We've compared GRID K340 with Radeon RX 640, including specs and performance data.
RX 640 outperforms K340 by an impressive 80% 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 | 815 | 665 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.02 | no data |
| Power efficiency | 0.98 | 7.97 |
| Architecture | Kepler (2012−2018) | GCN 4.0 (2016−2020) |
| GPU code name | GK107 | Polaris 23 |
| Market segment | Workstation | Laptop |
| Release date | 23 July 2013 (12 years ago) | 13 May 2019 (6 years ago) |
| Launch price (MSRP) | $3,299 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
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 | 384 ×4 | 640 |
| Core clock speed | 950 MHz | 1082 MHz |
| Boost clock speed | no data | 1218 MHz |
| Number of transistors | 1,270 million | 2,200 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 225 Watt | 50 Watt |
| Texture fill rate | 30.40 ×4 | 48.72 |
| Floating-point processing power | 0.7296 TFLOPS ×4 | 1.559 TFLOPS |
| ROPs | 8 ×4 | 16 |
| TMUs | 32 ×4 | 40 |
| L1 Cache | 32 KB | 160 KB |
| L2 Cache | 128 KB | 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 3.0 x16 | PCIe 3.0 x8 |
| Length | 267 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 8-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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 1 GB ×4 | 2 GB |
| Memory bus width | 64 Bit ×4 | 64 Bit |
| Memory clock speed | 900 MHz | 1500 MHz |
| Memory bandwidth | 28.8 GB/s ×4 | 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 | No outputs | 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 | 12 (11_0) | 12 (12_0) |
| Shader Model | 5.1 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2.131 |
| 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:
| Full HD | 14−16
−92.9%
| 27
+92.9%
|
Cost per frame, $
| 1080p | 235.64 | no data |
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%
|
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%
|
| Escape from Tarkov | 21−24
+0%
|
21−24
+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%
|
| 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 | 85−90
+0%
|
85−90
+0%
|
| Cyberpunk 2077 | 10−12
+0%
|
10−12
+0%
|
| Dota 2 | 53
+0%
|
53
+0%
|
| Escape from Tarkov | 21−24
+0%
|
21−24
+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%
|
| 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%
|
| Escape from Tarkov | 21−24
+0%
|
21−24
+0%
|
| Far Cry 5 | 16−18
+0%
|
16−18
+0%
|
| Forza Horizon 4 | 24−27
+0%
|
24−27
+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 | 4−5
+0%
|
4−5
+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%
|
| Escape from Tarkov | 10−11
+0%
|
10−11
+0%
|
| Far Cry 5 | 10−11
+0%
|
10−11
+0%
|
| Forza Horizon 4 | 12−14
+0%
|
12−14
+0%
|
| The Witcher 3: Wild Hunt | 7−8
+0%
|
7−8
+0%
|
1440p
Epic
| Fortnite | 10−11
+0%
|
10−11
+0%
|
4K
High
| Grand Theft Auto V | 16−18
+0%
|
16−18
+0%
|
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
| Valorant | 24−27
+0%
|
24−27
+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%
|
| Escape from Tarkov | 4−5
+0%
|
4−5
+0%
|
| Far Cry 5 | 4−5
+0%
|
4−5
+0%
|
| Forza Horizon 4 | 7−8
+0%
|
7−8
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 5−6
+0%
|
5−6
+0%
|
4K
Epic
| Fortnite | 5−6
+0%
|
5−6
+0%
|
This is how GRID K340 and RX 640 compete in popular games:
- RX 640 is 93% faster in 1080p
All in all, in popular games:
- there's a draw in 61 tests (100%)
Pros & cons summary
| Performance score | 2.87 | 5.17 |
| Recency | 23 July 2013 | 13 May 2019 |
| Maximum RAM amount | 1 GB | 2 GB |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 225 Watt | 50 Watt |
RX 640 has a 80.1% higher aggregate performance score, an age advantage of 5 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 350% lower power consumption.
The Radeon RX 640 is our recommended choice as it beats the GRID K340 in performance tests.
Be aware that GRID K340 is a workstation 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.
