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
Tesla T4
CORE STATE
TU104
VRAM
16 GB
CLOCK SPEED
1590 MHz
TDP
70 W
BUS WIDTH
256 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
Tesla T4
Core Specs
Shading Units
640
2,560
+300.0%
Shaders
640
2,560
+300.0%
TMUs
40
160
+300.0%
ROPs
16
64
+300.0%
Compute Units
10
—
SM Count
—
40
Clocks
Base Clock
1082 MHz
585 MHz
Boost Clock
1218 MHz
1590 MHz
Memory Clock
1500 MHz
6 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
GDDR6
Memory Bus
64 bit
256 bit
Bandwidth
48.00 GB/s
320.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
19.49 GPixel/s
101.8 GPixel/s
Texture Rate
48.72 GTexel/s
254.4 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
8.141 TFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
254.4 GFLOPS (1:32)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
65.13 TFLOPS (8:1)
AI/RT
RT Cores
—
40
Tensor Cores
—
320
Power
TDP
50 W
70 W
TDP (W)
50
70
+40.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Turing
GPU Name
Polaris 23
TU104
Generation
Polaris Mobile
(M600)
Tesla Turing
(Txx)
Process Size
14 nm
12 nm
Transistors
2,200 million
13,600 million
Die Size
103 mm²
545 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
25.0M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
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
IGP
Single-slot
Length
—
168 mm
6.6 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
Tesla Volta
Successor
Navi Mobile
Server Ampere