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
GeForce Go 6250
CORE STATE
NV44B
VRAM
32 MB
CLOCK SPEED
—
TDP
10 W
BUS WIDTH
64 bit
ARCHITECTURE
Curie
PROCESS
110 nm
LAUNCH DATE
2006
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Go 6250
Core Specs
Shading Units
640
—
Shaders
640
—
TMUs
40
4
-90.0%
ROPs
16
2
-87.5%
Compute Units
10
—
Clocks
GPU Clock
1295 MHz
400 MHz
Memory Clock
1500 MHz
6 Gbps effective
350 MHz
700 Mbps effective
Memory
Memory Size
4 GB
32 MB
VRAM (MB)
4,096
32
-99.2%
Memory Type
GDDR5
DDR
Memory Bus
128 bit
64 bit
Bandwidth
96.00 GB/s
5.600 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
20.72 GPixel/s
800.0 MPixel/s
Texture Rate
51.80 GTexel/s
1.600 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
10 W
TDP (W)
50
10
-80.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Curie
GPU Name
Polaris 23
NV44B
Generation
Polaris
(RX 600)
GeForce Go 6
(Go 6000)
Process Size
14 nm
110 nm
Transistors
2,200 million
75 million
Die Size
103 mm²
110 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
681.8K / mm²
API Support
DirectX
12 (12_0)
9.0c (9_3)
OpenGL
4.6
2.0 (full)
2.1 (partial)
Vulkan
1.3
—
OpenCL
2.1
—
Shader Model
6.7
3.0
Physical
Slot Width
Single-slot
—
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce FX Go 5
Successor
Vega
GeForce Go 7