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
NVS 3100M
CORE STATE
GT218S
VRAM
512 MB
CLOCK SPEED
—
TDP
14 W
BUS WIDTH
64 bit
ARCHITECTURE
Tesla 2.0
PROCESS
40 nm
LAUNCH DATE
2010
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
NVS 3100M
Core Specs
Shading Units
640
16
-97.5%
Shaders
640
16
-97.5%
TMUs
40
8
-80.0%
ROPs
16
4
-75.0%
Compute Units
10
—
SM Count
—
2
Clocks
GPU Clock
1295 MHz
606 MHz
Shader Clock
—
1468 MHz
Memory Clock
1500 MHz
6 Gbps effective
790 MHz
1580 Mbps effective
Memory
Memory Size
4 GB
512 MB
VRAM (MB)
4,096
512
-87.5%
Memory Type
GDDR5
GDDR3
Memory Bus
128 bit
64 bit
Bandwidth
96.00 GB/s
12.64 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
32 KB
Performance
Pixel Rate
20.72 GPixel/s
2.424 GPixel/s
Texture Rate
51.80 GTexel/s
4.848 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
46.98 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
14 W
TDP (W)
50
14
-72.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Tesla 2.0
GPU Name
Polaris 23
GT218S
Generation
Polaris
(RX 600)
NVS Mobile
(x100M)
Process Size
14 nm
40 nm
Transistors
2,200 million
260 million
Die Size
103 mm²
57 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
4.6M / mm²
API Support
DirectX
12 (12_0)
11.1 (10_1)
OpenGL
4.6
3.3
Vulkan
1.3
—
OpenCL
2.1
1.1
CUDA
—
1.2
Shader Model
6.7
4.1
Physical
Slot Width
Single-slot
—
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—