Home GPU Comparison AMD Radeon HD 7970M vs NVIDIA GeForce 8700M GT

AMD Radeon HD 7970M vs NVIDIA GeForce 8700M GT

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 512MB VRAM GeForce 8700M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages
Released 4 years and 10 months late
Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)
1248 additional rendering cores
NVIDIA GeForce 8700M GT 's Advantages
Lower TDP (29W vs 100W)

Score

Benchmark

FP32 (float)
Radeon HD 7970M +2620%
2.176 TFLOPS
GeForce 8700M GT
0.08 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Jun 2007
London
Generation
GeForce 8M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-HE

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
800 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
25.60GB/s

Render Config

-
SM Count
4
20
Compute Units
-
1280
Shading Units
32
80
TMUs
16
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
32 KB

Theoretical Performance

27.20 GPixel/s
Pixel Rate
5.000 GPixel/s
68.00 GTexel/s
Texture Rate
10.00 GTexel/s
-
FP16 (half)
-
2.176 TFLOPS
FP32 (float)
80.00 GFLOPS
136.0 GFLOPS
FP64 (double)
-

Graphics Processor

Wimbledon
GPU Name
G84
Wimbledon XT (216-0836036)
GPU Variant
NB8E-SE
GCN 1.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
2.8 billion
Transistors
0.289 billion
212 mm²
Die Size
169 mm²

Board Design

100W
TDP
29W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Features

12 (11_1)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.1
5.1
Shader Model
4.0

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