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GPU Comparison
AMD Radeon HD 8690M vs AMD Radeon HD 7970M
AMD Radeon HD 8690M vs AMD Radeon HD 7970M
VS
AMD Radeon HD 8690M
AMD Radeon HD 7970M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8690M 's Advantages
Released 11 months late
Boost Clock975MHz
AMD Radeon HD 7970M 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 32.00GB/s)
960 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 8690M
0.624 TFLOPS
Radeon HD 7970M
+248%
2.176 TFLOPS
Radeon HD 8690M
VS
Radeon HD 7970M
Graphics Card
Mar 2013
Release Date
Apr 2012
Solar System
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
925 MHz
Base Clock
-
975 MHz
Boost Clock
-
1000 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
256bit
32.00GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
5
Compute Units
20
320
Shading Units
1280
20
TMUs
80
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
27.20 GPixel/s
19.50 GTexel/s
Texture Rate
68.00 GTexel/s
-
FP16 (half)
-
624.0 GFLOPS
FP32 (float)
2.176 TFLOPS
39.00 GFLOPS
FP64 (double)
136.0 GFLOPS
Graphics Processor
Sun
GPU Name
Wimbledon
Sun S3 XT (216-0841009)
GPU Variant
Wimbledon XT (216-0836036)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
2.8 billion
56 mm²
Die Size
212 mm²
Board Design
Unknown
TDP
100W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
1.2
1.2.170
Vulkan
1.2
-
CUDA
-
6.5 (5.1)
Shader Model
5.1
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8
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9
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10
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