GPU Comparison
RADEON
AMD Radeon RX 640 Mobile
CORE STATE
Polaris 23
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
GEFORCE
GeForce GTX 285 X2
CORE STATE
GT200B
VRAM
2 GB
CLOCK SPEED
—
TDP
315 W
BUS WIDTH
512 bit
ARCHITECTURE
Tesla 2.0
PROCESS
55 nm
LAUNCH DATE
2009
DETAILED SPECIFICATIONS
SPECIFICATION
RX 640 Mobile
GTX 285 X2
Core Specs
Shading Units
640
240
-62.5%
Shaders
640
240
-62.5%
TMUs
40
80
+100.0%
ROPs
16
32
+100.0%
Compute Units
10
—
SM Count
—
30
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
648 MHz
Shader Clock
—
1476 MHz
Memory Clock
1500 MHz
6 Gbps effective
1152 MHz
2.3 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR3
Memory Bus
64 bit
512 bit
Bandwidth
48.00 GB/s
147.5 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
256 KB
Performance
Pixel Rate
19.49 GPixel/s
20.74 GPixel/s
Texture Rate
48.72 GTexel/s
51.84 GTexel/s
FP32 (TFLOPS)
1.559 TFLOPS
708.5 GFLOPS
FP64 (TFLOPS)
97.44 GFLOPS (1:16)
88.56 GFLOPS (1:8)
FP16 (TFLOPS)
1.559 TFLOPS (1:1)
—
Power
TDP
50 W
315 W
TDP (W)
50
315
+530.0%
Suggested PSU
—
700 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
Tesla 2.0
GPU Name
Polaris 23
GT200B
Generation
Polaris Mobile
(M600)
GeForce 200
Process Size
14 nm
55 nm
Transistors
2,200 million
1,400 million
Die Size
103 mm²
470 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
3.0M / 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
—
1.3
Shader Model
6.7
4.0
Physical
Slot Width
IGP
Dual-slot
Length
—
275 mm
10.8 inches
Height
—
115 mm
4.5 inches
Outputs
Portable Device Dependent
2x DVI1x HDMI
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Gem System
GeForce 9
Successor
Navi Mobile
GeForce 400