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
Tegra 3 GPU
CORE STATE
Kal-El
VRAM
256 MB
CLOCK SPEED
520 MHz
TDP
20 W
BUS WIDTH
32 bit
ARCHITECTURE
VLIW Vec4
PROCESS
40 nm
LAUNCH DATE
2011
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Tegra 3 GPU
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
8
-80.0%
ROPs
16
8
-50.0%
Compute Units
10
—
Clocks
Base Clock
—
416 MHz
Boost Clock
—
520 MHz
GPU Clock
1295 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
667 MHz
1334 Mbps effective
Memory
Memory Size
4 GB
256 MB
VRAM (MB)
4,096
256
-93.8%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
32 bit
Bandwidth
96.00 GB/s
5.336 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
4.160 GPixel/s
Texture Rate
51.80 GTexel/s
4.160 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
—
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
20 W
TDP (W)
50
20
-60.0%
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
VLIW Vec4
GPU Name
Polaris 23
Kal-El
Generation
Polaris
(RX 600)
Tegra
Process Size
14 nm
40 nm
Transistors
2,200 million
10 million
Die Size
103 mm²
80 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
125.0K / mm²
API Support
DirectX
12 (12_0)
—
OpenGL
4.6
ES 2.0
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
—
Physical
Slot Width
Single-slot
IGP
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—