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
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 OEM
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
—
585 MHz
Boost Clock
—
1590 MHz
GPU Clock
1295 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
4 GB
16 GB
VRAM (MB)
4,096
16,384
+300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
96.00 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
20.72 GPixel/s
101.8 GPixel/s
Texture Rate
51.80 GTexel/s
254.4 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
8.141 TFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
254.4 GFLOPS (1:32)
FP16 (TFLOPS)
1.658 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
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Turing
GPU Name
Polaris 23
TU104
Generation
Polaris
(RX 600)
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
Single-slot
Single-slot
Length
—
168 mm
6.6 inches
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Tesla Volta
Successor
Vega
Server Ampere