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GPU Comparison
AMD Radeon HD 6490M vs AMD Radeon HD 8670M
AMD Radeon HD 6490M vs AMD Radeon HD 8670M
VS
AMD Radeon HD 6490M
AMD Radeon HD 8670M
We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6490M 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
AMD Radeon HD 8670M 's Advantages
Released 2 years and 2 months late
Boost Clock975MHz
More VRAM (1024GB vs 512GB)
160 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6490M
0.256 TFLOPS
Radeon HD 8670M
+143%
0.624 TFLOPS
Radeon HD 6490M
VS
Radeon HD 8670M
Graphics Card
Jan 2011
Release Date
Mar 2013
Vancouver
Generation
Solar System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
925 MHz
-
Boost Clock
975 MHz
800 MHz
Memory Clock
900 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
64bit
25.60GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
-
2
Compute Units
5
160
Shading Units
320
8
TMUs
20
4
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
128 KB
Theoretical Performance
3.200 GPixel/s
Pixel Rate
7.800 GPixel/s
6.400 GTexel/s
Texture Rate
19.50 GTexel/s
-
FP16 (half)
-
256.0 GFLOPS
FP32 (float)
624.0 GFLOPS
-
FP64 (double)
39.00 GFLOPS
Graphics Processor
Seymour
GPU Name
Sun
Seymour XTX S3 (216-0809024)
GPU Variant
Sun S3 XT (216-0841009)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
0.69 billion
67 mm²
Die Size
56 mm²
Board Design
Unknown
TDP
Unknown
-
Suggested PSU
-
Portable Device Dependent
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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