GPU Comparison

AMD
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
nm
PROCESS 14 nm
LAUNCH DATE 2020
VS
Intel
GPU

Iris Xe MAX Graphics

CORE STATE DG1
VRAM 4 GB
CLOCK SPEED 1650 MHz
TDP 25 W
BUS WIDTH 128 bit
ARCHITECTURE Generation 12.1
nm
PROCESS 10 nm
LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_opencl
N/A
14,315

DETAILED SPECIFICATIONS

SPECIFICATION
RX 640 OEM
Iris Xe MAX Graphics
Core Specs
Shading Units
640
768 +20.0%
Shaders
640
768 +20.0%
TMUs
40
48 +20.0%
ROPs
16
24 +50.0%
Compute Units
10
Execution Units
96
Clocks
Base Clock
300 MHz
Boost Clock
1650 MHz
GPU Clock
1295 MHz
Memory Clock
1500 MHz 6 Gbps effective
2133 MHz 4.3 Gbps effective
Memory
Memory Size
4 GB
4 GB
VRAM (MB)
4,096
4,096 0.0%
Memory Type
GDDR5
LPDDR4X
Memory Bus
128 bit
128 bit
Bandwidth
96.00 GB/s
68.26 GB/s
Cache
L1 Cache
16 KB (per CU)
L2 Cache
512 KB
1024 KB
L3 Cache
16 MB
Performance
Pixel Rate
20.72 GPixel/s
39.60 GPixel/s
Texture Rate
51.80 GTexel/s
79.20 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
2.534 TFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
633.6 GFLOPS (1:4)
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
5.069 TFLOPS (2:1)
Power
TDP
50 W
25 W
TDP (W)
50
25 -50.0%
Suggested PSU
250 W
200 W
Power Connectors
None
Architecture
Architecture
GCN 4.0
Generation 12.1
GPU Name
Polaris 23
DG1
Generation
Polaris (RX 600)
Xe Graphics
Process Size
14 nm
10 nm
Transistors
2,200 million
Die Size
103 mm²
95 mm²
Foundry
GlobalFoundries
Intel
Density
21.4M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
Shader Model
6.7
6.6
Physical
Slot Width
Single-slot
IGP
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Graphics
Successor
Vega
Alchemist
View Radeon RX 640 OEM Details View Iris Xe MAX Graphics Details