Home GPU Comparison AMD Radeon HD 6970M Rebrand vs AMD Radeon R9 M395X Mac Edition

AMD Radeon HD 6970M Rebrand vs AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M Rebrand and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Rebrand 's Advantages
Lower TDP (75W vs 250W)
AMD Radeon R9 M395X Mac Edition 's Advantages
Released 4 years and 4 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)
1248 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6970M Rebrand
1.28 TFLOPS
Radeon R9 M395X Mac Edition +190%
3.723 TFLOPS
VS

Graphics Card

Jan 2011
Release Date
May 2015
Vancouver
Generation
Crystal System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
1000 MHz
Memory Clock
1365 MHz

Memory

1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
64.00GB/s
Bandwidth
174.7GB/s

Render Config

-
SM Count
-
10
Compute Units
32
800
Shading Units
2048
40
TMUs
128
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB

Theoretical Performance

12.80 GPixel/s
Pixel Rate
29.09 GPixel/s
32.00 GTexel/s
Texture Rate
116.4 GTexel/s
-
FP16 (half)
3.723 TFLOPS
1280 GFLOPS
FP32 (float)
3.723 TFLOPS
-
FP64 (double)
232.7 GFLOPS

Graphics Processor

Broadway
GPU Name
Amethyst
Broadway XT
GPU Variant
Amethyst XT
TeraScale 2
Architecture
GCN 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.04 billion
Transistors
5 billion
166 mm²
Die Size
366 mm²

Board Design

75W
TDP
250W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Features

11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.0
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
6.3

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