Radeon RX 7600 vs GeForce GT 640 OEM
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 7600 and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7600 's Advantages
Released 11 years and 1 months late
Boost Clock2655MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 28.51GB/s)
1664 additional rendering cores
GeForce GT 640 OEM 's Advantages
Lower TDP (50W vs 165W)
Score
Benchmark
FP32 (float)
Radeon RX 7600
+3453%
21750
GeForce GT 640 OEM
612
Graphics Card
May 2023
Release Date
Apr 2012
Navi III
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1720 MHz
Base Clock
-
2655 MHz
Boost Clock
-
2250 MHz
Memory Clock
891 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
128bit
Memory Bus
128bit
288.0GB/s
Bandwidth
28.51GB/s
Render Config
32
Compute Units
-
2048
Shading Units
384
128
TMUs
32
64
ROPs
16
32
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
256 KB
32 MB
L3 Cache
-
Theoretical Performance
169.9 GPixel/s
Pixel Rate
6.376 GPixel/s
339.8 GTexel/s
Texture Rate
25.50 GTexel/s
43.50 TFLOPS
FP16 (half)
-
21.75 TFLOPS
FP32 (float)
612.1 GFLOPS
679.7 GFLOPS
FP64 (double)
25.50 GFLOPS
Board Design
165W
TDP
50W
450 W
Suggested PSU
250 W
1x HDMI 2.1a
3x DisplayPort 2.1
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 8-pin
Power Connectors
None
Graphics Processor
Navi 33
GPU Name
GK107
Navi 33 XL
GPU Variant
GK107-320-A2
RDNA 3.0
Architecture
Kepler
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
13.3 billion
Transistors
1.27 billion
204 mm²
Die Size
118 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.1
-
CUDA
3.0
6.7
Shader Model
5.1