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 4i GPU
CORE STATE
Wayne
VRAM
512 MB
CLOCK SPEED
—
TDP
20 W
BUS WIDTH
32 bit
ARCHITECTURE
VLIW Vec4
PROCESS
28 nm
LAUNCH DATE
2013
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Tegra 4i GPU
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
2
-95.0%
ROPs
16
2
-87.5%
Compute Units
10
—
Clocks
GPU Clock
1295 MHz
660 MHz
Memory Clock
1500 MHz
6 Gbps effective
933 MHz
1866 Mbps effective
Memory
Memory Size
4 GB
512 MB
VRAM (MB)
4,096
512
-87.5%
Memory Type
GDDR5
LPDDR3
Memory Bus
128 bit
32 bit
Bandwidth
96.00 GB/s
7.464 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
1.320 GPixel/s
Texture Rate
51.80 GTexel/s
1.320 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
Wayne
Generation
Polaris
(RX 600)
Tegra
Process Size
14 nm
28 nm
Transistors
2,200 million
11 million
Die Size
103 mm²
85 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
129.4K / mm²
API Support
DirectX
12 (12_0)
—
OpenGL
4.6
ES 3.0
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
—