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 GTX 590
CORE STATE
GF110
VRAM
1536 MB
CLOCK SPEED
—
TDP
365 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
GTX 590
Core Specs
Shading Units
640
512
-20.0%
Shaders
640
512
-20.0%
TMUs
40
64
+60.0%
ROPs
16
48
+200.0%
Compute Units
10
—
SM Count
—
16
Clocks
GPU Clock
1295 MHz
608 MHz
Shader Clock
—
1215 MHz
Memory Clock
1500 MHz
6 Gbps effective
854 MHz
3.4 Gbps effective
Memory
Memory Size
4 GB
1536 MB
VRAM (MB)
4,096
1,536
-62.5%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
96.00 GB/s
164.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
768 KB
Performance
Pixel Rate
20.72 GPixel/s
19.46 GPixel/s
Texture Rate
51.80 GTexel/s
38.91 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
1,244.2 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
155.5 GFLOPS (1:8)
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
365 W
TDP (W)
50
365
+630.0%
Suggested PSU
250 W
750 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
Fermi 2.0
GPU Name
Polaris 23
GF110
Generation
Polaris
(RX 600)
GeForce 500
Process Size
14 nm
40 nm
Transistors
2,200 million
3,000 million
Die Size
103 mm²
520 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
5.8M / 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
Dual-slot
Length
—
279 mm
11 inches
Height
—
111 mm
4.4 inches
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
3x DVI1x mini-DisplayPort
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
699 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 400
Successor
Vega
GeForce 600