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GPU Comparison
AMD Radeon HD 7870M vs AMD Radeon HD 7690M Rebrand
AMD Radeon HD 7870M vs AMD Radeon HD 7690M Rebrand
VS
AMD Radeon HD 7870M
AMD Radeon HD 7690M Rebrand
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7870M and 1024MB VRAM Radeon HD 7690M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7870M 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)
160 additional rendering cores
AMD Radeon HD 7690M Rebrand 's Advantages
Lower TDP (20W vs 45W)
Score
Benchmark
FP32 (float)
Radeon HD 7870M
+77%
1.024 TFLOPS
Radeon HD 7690M Rebrand
0.576 TFLOPS
Radeon HD 7870M
VS
Radeon HD 7690M Rebrand
Graphics Card
Apr 2012
Release Date
Jan 2012
London
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1000 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
-
10
Compute Units
6
640
Shading Units
480
40
TMUs
24
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
12.80 GPixel/s
Pixel Rate
4.800 GPixel/s
32.00 GTexel/s
Texture Rate
14.40 GTexel/s
-
FP16 (half)
-
1024 GFLOPS
FP32 (float)
576.0 GFLOPS
64.00 GFLOPS
FP64 (double)
-
Graphics Processor
Heathrow
GPU Name
Whistler
Heathrow XT (216-0835033)
GPU Variant
Whistler XT (216-0810001)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
0.716 billion
123 mm²
Die Size
104 mm²
Board Design
45W
TDP
20W
-
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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