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GPU Comparison
AMD Radeon HD 7970M vs ATI Mobility Radeon HD 5870
AMD Radeon HD 7970M vs ATI Mobility Radeon HD 5870
VS
AMD Radeon HD 7970M
ATI Mobility Radeon HD 5870
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 1024MB VRAM Mobility Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970M 's Advantages
Released 2 years and 3 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)
480 additional rendering cores
ATI Mobility Radeon HD 5870 's Advantages
Lower TDP (50W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 7970M
+94%
2.176 TFLOPS
Mobility Radeon HD 5870
1.12 TFLOPS
Radeon HD 7970M
VS
Mobility Radeon HD 5870
Graphics Card
Apr 2012
Release Date
Jan 2010
London
Generation
Manhattan
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
20
Compute Units
10
1280
Shading Units
800
80
TMUs
40
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
11.20 GPixel/s
68.00 GTexel/s
Texture Rate
28.00 GTexel/s
-
FP16 (half)
-
2.176 TFLOPS
FP32 (float)
1120 GFLOPS
136.0 GFLOPS
FP64 (double)
-
Graphics Processor
Wimbledon
GPU Name
Broadway
Wimbledon XT (216-0836036)
GPU Variant
Broadway XT (216-0769008)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
1.04 billion
212 mm²
Die Size
166 mm²
Board Design
100W
TDP
50W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
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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