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
P106-090
CORE STATE
GP106
VRAM
3 GB
CLOCK SPEED
1531 MHz
TDP
75 W
BUS WIDTH
192 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
P106-090
Core Specs
Shading Units
640
768
+20.0%
Shaders
640
768
+20.0%
TMUs
40
48
+20.0%
ROPs
16
48
+200.0%
Compute Units
10
—
SM Count
—
6
Clocks
Base Clock
—
1354 MHz
Boost Clock
—
1531 MHz
GPU Clock
1295 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
2002 MHz
8 Gbps effective
Memory
Memory Size
4 GB
3 GB
VRAM (MB)
4,096
3,072
-25.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
96.00 GB/s
192.2 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
1536 KB
Performance
Pixel Rate
20.72 GPixel/s
73.49 GPixel/s
Texture Rate
51.80 GTexel/s
73.49 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
2.352 TFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
73.49 GFLOPS (1:32)
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
36.74 GFLOPS (1:64)
Power
TDP
50 W
75 W
TDP (W)
50
75
+50.0%
Suggested PSU
250 W
250 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
GCN 4.0
Pascal
GPU Name
Polaris 23
GP106
Generation
Polaris
(RX 600)
Mining GPUs
Process Size
14 nm
16 nm
Transistors
2,200 million
4,400 million
Die Size
103 mm²
200 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
22.0M / 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
CUDA
—
6.1
Shader Model
6.7
6.8
Physical
Slot Width
Single-slot
Dual-slot
Length
—
250 mm
9.8 inches
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x1
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—