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GPU Comparison
AMD Radeon HD 7690M XT Rebrand vs AMD Radeon HD 6990M
AMD Radeon HD 7690M XT Rebrand vs AMD Radeon HD 6990M
VS
AMD Radeon HD 7690M XT Rebrand
AMD Radeon HD 6990M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7690M XT Rebrand and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7690M XT Rebrand 's Advantages
Released 6 months late
Lower TDP (25W vs 100W)
AMD Radeon HD 6990M 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (115.2GB/s vs 51.20GB/s)
640 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7690M XT Rebrand
0.696 TFLOPS
Radeon HD 6990M
+130%
1.602 TFLOPS
Radeon HD 7690M XT Rebrand
VS
Radeon HD 6990M
Graphics Card
Jan 2012
Release Date
Jul 2011
London
Generation
Vancouver
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
800 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
51.20GB/s
Bandwidth
115.2GB/s
Render Config
-
SM Count
-
6
Compute Units
14
480
Shading Units
1120
24
TMUs
56
8
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
5.800 GPixel/s
Pixel Rate
22.88 GPixel/s
17.40 GTexel/s
Texture Rate
40.04 GTexel/s
-
FP16 (half)
-
696.0 GFLOPS
FP32 (float)
1.602 TFLOPS
-
FP64 (double)
-
Graphics Processor
Whistler
GPU Name
Blackcomb
Whistler XTX
GPU Variant
Blackcomb XTX (216-0811030)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.716 billion
Transistors
1.7 billion
104 mm²
Die Size
212 mm²
Board Design
25W
TDP
100W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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6
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