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GPU Comparison
AMD Radeon RX 640 Mobile vs ATI Mobility Radeon HD 2600 XT
AMD Radeon RX 640 Mobile vs ATI Mobility Radeon HD 2600 XT
VS
AMD Radeon RX 640 Mobile
ATI Mobility Radeon HD 2600 XT
We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 256MB VRAM Mobility Radeon HD 2600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 640 Mobile 's Advantages
Released 12 years late
Boost Clock1218MHz
Larger VRAM bandwidth (48.00GB/s vs 24.00GB/s)
520 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 640 Mobile
+856%
1.559 TFLOPS
Mobility Radeon HD 2600 XT
0.163 TFLOPS
Radeon RX 640 Mobile
VS
Mobility Radeon HD 2600 XT
Graphics Card
May 2019
Release Date
May 2007
Mobility Radeon
Generation
M7x
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-II
Clock Speeds
1082 MHz
Base Clock
-
1218 MHz
Boost Clock
-
1500 MHz
Memory Clock
750 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
64bit
Memory Bus
128bit
48.00GB/s
Bandwidth
24.00GB/s
Render Config
-
SM Count
-
10
Compute Units
3
640
Shading Units
120
40
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
64 KB
Theoretical Performance
19.49 GPixel/s
Pixel Rate
2.720 GPixel/s
48.72 GTexel/s
Texture Rate
5.440 GTexel/s
1.559 TFLOPS
FP16 (half)
-
1.559 TFLOPS
FP32 (float)
163.2 GFLOPS
97.44 GFLOPS
FP64 (double)
-
Graphics Processor
Polaris 23
GPU Name
M76
Polaris 23 XT
GPU Variant
M76 XT-M (216XJBKA13FG)
GCN 4.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
65 nm
2.2 billion
Transistors
0.39 billion
103 mm²
Die Size
153 mm²
Board Design
50W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
2.1
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
6.4
Shader Model
4.0
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2
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4
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6
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7
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8
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10
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