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
A100 SXM4 40 GB
CORE STATE
GA100
VRAM
40 GB
CLOCK SPEED
1410 MHz
TDP
400 W
BUS WIDTH
5120 bit
ARCHITECTURE
Ampere
PROCESS
7 nm
LAUNCH DATE
2020
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
A100 SXM4 40 GB
Core Specs
Shading Units
640
6,912
+980.0%
Shaders
640
6,912
+980.0%
TMUs
40
432
+980.0%
ROPs
16
160
+900.0%
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
40 GB
VRAM (MB)
2,048
40,960
+1900.0%
Memory Type
GDDR5
HBM2e
Memory Bus
64 bit
5120 bit
Bandwidth
48.00 GB/s
1.56 TB/s
Cache
L1 Cache
16 KB (per CU)
192 KB (per SM)
L2 Cache
512 KB
40 MB
Performance
Pixel Rate
19.49 GPixel/s
225.6 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
BF16
—
311.84 TFLOPS (16:1)
TF32
—
155.92 TFLOPs (8:1)
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)
Server Ampere
(Axx)
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
SXM Module
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
Tesla Turing
Successor
Navi Mobile
Server Ada