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GPU Comparison
AMD Radeon HD 6650M vs AMD Radeon HD 7870M
AMD Radeon HD 6650M vs AMD Radeon HD 7870M
VS
AMD Radeon HD 6650M
AMD Radeon HD 7870M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7870M 's Advantages
Released 1 years and 3 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)
160 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6650M
0.576 TFLOPS
Radeon HD 7870M
+77%
1.024 TFLOPS
Radeon HD 6650M
VS
Radeon HD 7870M
Graphics Card
Jan 2011
Release Date
Apr 2012
Vancouver
Generation
London
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
800 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
25.60GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
6
Compute Units
10
480
Shading Units
640
24
TMUs
40
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
4.800 GPixel/s
Pixel Rate
12.80 GPixel/s
14.40 GTexel/s
Texture Rate
32.00 GTexel/s
-
FP16 (half)
-
576.0 GFLOPS
FP32 (float)
1024 GFLOPS
-
FP64 (double)
64.00 GFLOPS
Graphics Processor
Whistler
GPU Name
Heathrow
Whistler LE (216-0810028)
GPU Variant
Heathrow XT (216-0835033)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
1.5 billion
118 mm²
Die Size
123 mm²
Board Design
Unknown
TDP
45W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
5.1
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