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GPU Comparison
AMD Radeon HD 8670M vs AMD Radeon R9 M295X
AMD Radeon HD 8670M vs AMD Radeon R9 M295X
VS
AMD Radeon HD 8670M
AMD Radeon R9 M295X
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 4GB VRAM Radeon R9 M295X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8670M 's Advantages
Boost Clock975MHz
AMD Radeon R9 M295X 's Advantages
Released 1 years and 8 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)
1728 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 8670M
0.624 TFLOPS
Radeon R9 M295X
+374%
2.961 TFLOPS
Radeon HD 8670M
VS
Radeon R9 M295X
Graphics Card
Mar 2013
Release Date
Nov 2014
Solar System
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
925 MHz
Base Clock
-
975 MHz
Boost Clock
-
900 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
160.0GB/s
Render Config
-
SM Count
-
5
Compute Units
32
320
Shading Units
2048
20
TMUs
128
8
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
7.800 GPixel/s
Pixel Rate
23.14 GPixel/s
19.50 GTexel/s
Texture Rate
92.54 GTexel/s
-
FP16 (half)
2.961 TFLOPS
624.0 GFLOPS
FP32 (float)
2.961 TFLOPS
39.00 GFLOPS
FP64 (double)
185.1 GFLOPS
Graphics Processor
Sun
GPU Name
Amethyst
Sun S3 XT (216-0841009)
GPU Variant
Amethyst XT
GCN 1.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
5 billion
56 mm²
Die Size
366 mm²
Board Design
Unknown
TDP
250W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
2.0
1.2.170
Vulkan
1.2
-
CUDA
-
6.5 (5.1)
Shader Model
6.3
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