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GPU Comparison
AMD Radeon HD 8790M vs AMD Radeon HD 6970M
AMD Radeon HD 8790M vs AMD Radeon HD 6970M
VS
AMD Radeon HD 8790M
AMD Radeon HD 6970M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8790M and 1024MB VRAM Radeon HD 6970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8790M 's Advantages
Released 2 years and 3 months late
Boost Clock900MHz
More VRAM (2GB vs 1GB)
AMD Radeon HD 6970M 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)
576 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 8790M
0.691 TFLOPS
Radeon HD 6970M
+89%
1.306 TFLOPS
Radeon HD 8790M
VS
Radeon HD 6970M
Graphics Card
Apr 2013
Release Date
Jan 2011
Solar System
Generation
Vancouver
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
850 MHz
Base Clock
-
900 MHz
Boost Clock
-
1000 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
64.00GB/s
Bandwidth
115.2GB/s
Render Config
-
SM Count
-
6
Compute Units
12
384
Shading Units
960
24
TMUs
48
8
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
7.200 GPixel/s
Pixel Rate
21.76 GPixel/s
21.60 GTexel/s
Texture Rate
32.64 GTexel/s
-
FP16 (half)
-
691.2 GFLOPS
FP32 (float)
1306 GFLOPS
43.20 GFLOPS
FP64 (double)
-
Graphics Processor
Mars
GPU Name
Blackcomb
Mars M2 XTX (216-0842036)
GPU Variant
Blackcomb XT (216-0811000)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.95 billion
Transistors
1.7 billion
77 mm²
Die Size
212 mm²
Board Design
Unknown
TDP
75W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1 (1.2)
OpenCL
1.2
1.2.170
Vulkan
N/A
-
CUDA
-
6.5 (5.1)
Shader Model
5.0
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