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
GPU
UHD Graphics G7 64EU Mobile
CORE STATE
Lakefield GT2
VRAM
System Shared
CLOCK SPEED
500 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 11.0
PROCESS
10 nm
LAUNCH DATE
2020
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
UHD Graphics G7 64EU Mobile
Core Specs
Shading Units
640
512
-20.0%
Shaders
640
512
-20.0%
TMUs
40
32
-20.0%
ROPs
16
8
-50.0%
Compute Units
10
—
Execution Units
—
64
Clocks
Base Clock
—
200 MHz
Boost Clock
—
500 MHz
GPU Clock
1295 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
System Shared
Memory
Memory Size
4 GB
System Shared
VRAM (MB)
4,096
—
Memory Type
GDDR5
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
96.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
4.000 GPixel/s
Texture Rate
51.80 GTexel/s
16.00 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
512.0 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
128.0 GFLOPS (1:4)
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
1,024.0 GFLOPS (2:1)
Power
TDP
50 W
15 W
TDP (W)
50
15
-70.0%
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Generation 11.0
GPU Name
Polaris 23
Lakefield GT2
Generation
Polaris
(RX 600)
HD Graphics-M
(Lakefield)
Process Size
14 nm
10 nm
Transistors
2,200 million
—
Die Size
103 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
1.3
OpenCL
2.1
3.0
Shader Model
6.7
6.5
Physical
Slot Width
Single-slot
IGP
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
Ring Bus
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—