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GPU Comparison
AMD Radeon RX 640 Mobile vs ATI Mobility Radeon HD 4850 X2
AMD Radeon RX 640 Mobile vs ATI Mobility Radeon HD 4850 X2
VS
AMD Radeon RX 640 Mobile
ATI Mobility Radeon HD 4850 X2
We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 1024MB VRAM Mobility Radeon HD 4850 X2 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 10 years and 4 months late
Boost Clock1218MHz
More VRAM (2GB vs 1GB)
ATI Mobility Radeon HD 4850 X2 's Advantages
Larger VRAM bandwidth (89.60GB/s vs 48.00GB/s)
160 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 640 Mobile
+94%
1.559 TFLOPS
Mobility Radeon HD 4850 X2
0.8 TFLOPS
Radeon RX 640 Mobile
VS
Mobility Radeon HD 4850 X2
Graphics Card
May 2019
Release Date
Jan 2009
Mobility Radeon
Generation
M9x
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1082 MHz
Base Clock
-
1218 MHz
Boost Clock
-
1500 MHz
Memory Clock
700 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
256bit
48.00GB/s
Bandwidth
89.60GB/s
Render Config
-
SM Count
-
10
Compute Units
10
640
Shading Units
800
40
TMUs
40
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
19.49 GPixel/s
Pixel Rate
8.000 GPixel/s
48.72 GTexel/s
Texture Rate
20.00 GTexel/s
1.559 TFLOPS
FP16 (half)
-
1.559 TFLOPS
FP32 (float)
800.0 GFLOPS
97.44 GFLOPS
FP64 (double)
160.0 GFLOPS
Graphics Processor
Polaris 23
GPU Name
M98
Polaris 23 XT
GPU Variant
M98 L2 (216-0732019)
GCN 4.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
55 nm
2.2 billion
Transistors
0.956 billion
103 mm²
Die Size
256 mm²
Board Design
50W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
-
6.4
Shader Model
4.1
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