GPU Comparison
RADEON
AMD Radeon RX 640 OEM
CORE STATE
Polaris 23
VRAM
4 GB
CLOCK SPEED
—
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2020
VS
GEFORCE
T600
CORE STATE
TU117
VRAM
4 GB
CLOCK SPEED
1335 MHz
TDP
40 W
BUS WIDTH
128 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
T600
Core Specs
Shading Units
640
640
0.0%
Shaders
640
640
0.0%
TMUs
40
40
0.0%
ROPs
16
32
+100.0%
Compute Units
10
—
SM Count
—
10
Clocks
Base Clock
—
735 MHz
Boost Clock
—
1335 MHz
GPU Clock
1295 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
4 GB
4 GB
VRAM (MB)
4,096
4,096
0.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
128 bit
Bandwidth
96.00 GB/s
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
20.72 GPixel/s
42.72 GPixel/s
Texture Rate
51.80 GTexel/s
53.40 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
1.709 TFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
53.40 GFLOPS (1:32)
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
3.418 TFLOPS (2:1)
Power
TDP
50 W
40 W
TDP (W)
50
40
-20.0%
Suggested PSU
250 W
200 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Turing
GPU Name
Polaris 23
TU117
Generation
Polaris
(RX 600)
Quadro Turing
(Tx000)
Process Size
14 nm
12 nm
Transistors
2,200 million
4,700 million
Die Size
103 mm²
200 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
23.5M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
7.5
Shader Model
6.7
6.8
Physical
Slot Width
Single-slot
Single-slot
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Quadro Volta
Successor
Vega
Workstation Ampere