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GPU Comparison
AMD Radeon HD 7490M vs AMD Radeon R7 M270
AMD Radeon HD 7490M vs AMD Radeon R7 M270
VS
AMD Radeon HD 7490M
AMD Radeon R7 M270
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7490M and 2GB VRAM Radeon R7 M270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7490M 's Advantages
Larger VRAM bandwidth (30.40GB/s vs 28.80GB/s)
AMD Radeon R7 M270 's Advantages
Released 2 years late
Boost Clock825MHz
More VRAM (2GB vs 1GB)
224 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7490M
0.256 TFLOPS
Radeon R7 M270
+147%
0.633 TFLOPS
Radeon HD 7490M
VS
Radeon R7 M270
Graphics Card
Jan 2012
Release Date
Jan 2014
London
Generation
Gem System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
725 MHz
-
Boost Clock
825 MHz
950 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
128bit
30.40GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
-
2
Compute Units
6
160
Shading Units
384
8
TMUs
24
4
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
3.200 GPixel/s
Pixel Rate
6.600 GPixel/s
6.400 GTexel/s
Texture Rate
19.80 GTexel/s
-
FP16 (half)
-
256.0 GFLOPS
FP32 (float)
633.6 GFLOPS
-
FP64 (double)
-
Graphics Processor
Seymour
GPU Name
Opal
Seymour XTX (216-0810005)
GPU Variant
Opal XT
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
0.95 billion
67 mm²
Die Size
77 mm²
Board Design
9W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
-
CUDA
-
5.0
Shader Model
6.5 (5.1)
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8
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9
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10
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