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GPU Comparison
AMD Radeon HD 6450M vs AMD Radeon HD 7970M
AMD Radeon HD 6450M vs AMD Radeon HD 7970M
VS
AMD Radeon HD 6450M
AMD Radeon HD 7970M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M 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 7970M 's Advantages
Released 1 years and 3 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 12.80GB/s)
1120 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6450M
0.192 TFLOPS
Radeon HD 7970M
+1033%
2.176 TFLOPS
Radeon HD 6450M
VS
Radeon HD 7970M
Graphics Card
Jan 2011
Release Date
Apr 2012
Vancouver
Generation
London
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
800 MHz
Memory Clock
1200 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
12.80GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
2
Compute Units
20
160
Shading Units
1280
8
TMUs
80
4
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
2.400 GPixel/s
Pixel Rate
27.20 GPixel/s
4.800 GTexel/s
Texture Rate
68.00 GTexel/s
-
FP16 (half)
-
192.0 GFLOPS
FP32 (float)
2.176 TFLOPS
-
FP64 (double)
136.0 GFLOPS
Graphics Processor
Seymour
GPU Name
Wimbledon
Seymour PRO S3 (216-0809024)
GPU Variant
Wimbledon XT (216-0836036)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
2.8 billion
67 mm²
Die Size
212 mm²
Board Design
Unknown
TDP
100W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None
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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