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GPU Comparison
AMD Radeon HD 7950M vs AMD Radeon HD 6870M
AMD Radeon HD 7950M vs AMD Radeon HD 6870M
VS
AMD Radeon HD 7950M
AMD Radeon HD 6870M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7950M 's Advantages
Released 1 years and 3 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)
480 additional rendering cores
AMD Radeon HD 6870M 's Advantages
Lower TDP (50W vs 75W)
Score
Benchmark
FP32 (float)
Radeon HD 7950M
+65%
1.792 TFLOPS
Radeon HD 6870M
1.08 TFLOPS
Radeon HD 7950M
VS
Radeon HD 6870M
Graphics Card
Apr 2012
Release Date
Jan 2011
London
Generation
Vancouver
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1000 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
128.0GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
20
Compute Units
10
1280
Shading Units
800
80
TMUs
40
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
22.40 GPixel/s
Pixel Rate
10.80 GPixel/s
56.00 GTexel/s
Texture Rate
27.00 GTexel/s
-
FP16 (half)
-
1.792 TFLOPS
FP32 (float)
1080 GFLOPS
-
FP64 (double)
-
Graphics Processor
Wimbledon
GPU Name
Granville
Wimbledon PRO
GPU Variant
Granville XT (216-0769024)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
1.04 billion
212 mm²
Die Size
166 mm²
Board Design
75W
TDP
50W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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