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
Jetson TX1
CORE STATE
GM20B
VRAM
4 GB
CLOCK SPEED
—
TDP
6 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
20 nm
LAUNCH DATE
2015
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Jetson TX1
Core Specs
Shading Units
640
256
-60.0%
Shaders
640
256
-60.0%
TMUs
40
16
-60.0%
ROPs
16
16
0.0%
Compute Units
10
—
Clocks
GPU Clock
1295 MHz
998 MHz
Memory Clock
1500 MHz
6 Gbps effective
600 MHz
1200 Mbps effective
Memory
Memory Size
4 GB
4 GB
VRAM (MB)
4,096
4,096
0.0%
Memory Type
GDDR5
LPDDR4
Memory Bus
128 bit
64 bit
Bandwidth
96.00 GB/s
9.600 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
256 KB
Performance
Pixel Rate
20.72 GPixel/s
15.97 GPixel/s
Texture Rate
51.80 GTexel/s
15.97 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
511.0 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
15.97 GFLOPS (1:32)
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
1,022.0 GFLOPS (2:1)
Power
TDP
50 W
6 W
TDP (W)
50
6
-88.0%
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Maxwell 2.0
GPU Name
Polaris 23
GM20B
Generation
Polaris
(RX 600)
Tegra
(Maxwell)
Process Size
14 nm
20 nm
Transistors
2,200 million
2,000 million
Die Size
103 mm²
118 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
16.9M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
1.2
CUDA
—
5.3
Shader Model
6.7
6.0
Physical
Slot Width
Single-slot
IGP
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—