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
Quadro 4000
CORE STATE
GF100
VRAM
2 GB
CLOCK SPEED
—
TDP
142 W
BUS WIDTH
256 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
Quadro 4000
Core Specs
Shading Units
640
256
-60.0%
Shaders
640
256
-60.0%
TMUs
40
32
-20.0%
ROPs
16
32
+100.0%
Compute Units
10
—
SM Count
—
8
Clocks
GPU Clock
1295 MHz
475 MHz
Shader Clock
—
950 MHz
Memory Clock
1500 MHz
6 Gbps effective
702 MHz
2.8 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
96.00 GB/s
89.86 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
20.72 GPixel/s
7.600 GPixel/s
Texture Rate
51.80 GTexel/s
15.20 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
486.4 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
243.2 GFLOPS (1:2)
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
142 W
TDP (W)
50
142
+184.0%
Suggested PSU
250 W
300 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
GCN 4.0
Fermi
GPU Name
Polaris 23
GF100
Generation
Polaris
(RX 600)
Quadro Fermi
(x000)
Process Size
14 nm
40 nm
Transistors
2,200 million
3,100 million
Die Size
103 mm²
529 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
5.9M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
—
OpenCL
2.1
1.1
CUDA
—
2.0
Shader Model
6.7
5.1
Physical
Slot Width
Single-slot
Single-slot
Length
—
241 mm
9.5 inches
Height
—
111 mm
4.4 inches
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
1x DVI2x DisplayPort
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
1,199 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Quadro FX Tesla
Successor
Vega
Quadro Kepler