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 GTS 250
CORE STATE
G92B
VRAM
1024 MB
CLOCK SPEED
—
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
Tesla
PROCESS
55 nm
LAUNCH DATE
2009
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 OEM
GTS 250
Core Specs
Shading Units
640
128
-80.0%
Shaders
640
128
-80.0%
TMUs
40
64
+60.0%
ROPs
16
16
0.0%
Compute Units
10
—
SM Count
—
16
Clocks
GPU Clock
1295 MHz
675 MHz
Shader Clock
—
1620 MHz
Memory Clock
1500 MHz
6 Gbps effective
1008 MHz
2 Gbps effective
Memory
Memory Size
4 GB
1024 MB
VRAM (MB)
4,096
1,024
-75.0%
Memory Type
GDDR5
GDDR3
Memory Bus
128 bit
256 bit
Bandwidth
96.00 GB/s
64.51 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
64 KB
Performance
Pixel Rate
20.72 GPixel/s
10.80 GPixel/s
Texture Rate
51.80 GTexel/s
43.20 GTexel/s
FP32 (TFLOPS)
1.658 TFLOPS
414.7 GFLOPS
FP64 (TFLOPS)
103.6 GFLOPS (1:16)
—
FP16 (TFLOPS)
1.658 TFLOPS (1:1)
—
Power
TDP
50 W
150 W
TDP (W)
50
150
+200.0%
Suggested PSU
250 W
450 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
GCN 4.0
Tesla
GPU Name
Polaris 23
G92B
Generation
Polaris
(RX 600)
GeForce 200
Process Size
14 nm
55 nm
Transistors
2,200 million
754 million
Die Size
103 mm²
260 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
2.9M / mm²
API Support
DirectX
12 (12_0)
11.1 (10_0)
OpenGL
4.6
3.3
Vulkan
1.3
—
OpenCL
2.1
1.1
CUDA
—
1.1
Shader Model
6.7
4.0
Physical
Slot Width
Single-slot
Dual-slot
Length
—
229 mm
9 inches
Outputs
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
2x DVI
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
199 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 9
Successor
Vega
GeForce 400