GPU Comparison
RADEON
AMD Radeon RX 640 Mobile
CORE STATE
Polaris 23
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
GEFORCE
GRID A100A
CORE STATE
GA100
VRAM
32 GB
CLOCK SPEED
1410 MHz
TDP
400 W
BUS WIDTH
6144 bit
ARCHITECTURE
Ampere
PROCESS
7 nm
LAUNCH DATE
2020
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
GRID A100A
Core Specs
Shading Units
640
6,912
+980.0%
Shaders
640
6,912
+980.0%
TMUs
40
432
+980.0%
ROPs
16
192
+1100.0%
Compute Units
10
—
SM Count
—
108
Clocks
Base Clock
1082 MHz
1095 MHz
Boost Clock
1218 MHz
1410 MHz
Memory Clock
1500 MHz
6 Gbps effective
1215 MHz
2.4 Gbps effective
Memory
Memory Size
2 GB
32 GB
VRAM (MB)
2,048
32,768
+1500.0%
Memory Type
GDDR5
HBM2e
Memory Bus
64 bit
6144 bit
Bandwidth
48.00 GB/s
1.87 TB/s
Cache
L1 Cache
16 KB (per CU)
192 KB (per SM)
L2 Cache
512 KB
32 MB
Performance
Pixel Rate
19.49 GPixel/s
270.7 GPixel/s
Texture Rate
48.72 GTexel/s
609.1 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
19.49 TFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
9.746 TFLOPS (1:2)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
77.97 TFLOPS (4:1)
AI/RT
Tensor Cores
—
432
Power
TDP
50 W
400 W
TDP (W)
50
400
+700.0%
Suggested PSU
—
800 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Ampere
GPU Name
Polaris 23
GA100
Generation
Polaris Mobile
(M600)
GRID
(Ax)
Process Size
14 nm
7 nm
Transistors
2,200 million
54,200 million
Die Size
103 mm²
826 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
65.6M / mm²
API Support
DirectX
12 (12_0)
—
OpenGL
4.6
—
Vulkan
1.3
—
OpenCL
2.1
3.0
CUDA
—
8.0
Shader Model
6.7
—
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
—
Successor
Navi Mobile
—