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GPU Comparison
AMD Radeon HD 7970M vs ATI Radeon E4690 MXM
AMD Radeon HD 7970M vs ATI Radeon E4690 MXM
VS
AMD Radeon HD 7970M
ATI Radeon E4690 MXM
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 512MB VRAM Radeon E4690 MXM 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 10 months late
Larger VRAM bandwidth (153.6GB/s vs 22.40GB/s)
960 additional rendering cores
ATI Radeon E4690 MXM 's Advantages
Lower TDP (30W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 7970M
+466%
2.176 TFLOPS
Radeon E4690 MXM
0.384 TFLOPS
Radeon HD 7970M
VS
Radeon E4690 MXM
Graphics Card
Apr 2012
Release Date
Jun 2009
London
Generation
Embedded
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-II
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
700 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
22.40GB/s
Render Config
-
SM Count
-
20
Compute Units
4
1280
Shading Units
320
80
TMUs
32
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
4.800 GPixel/s
68.00 GTexel/s
Texture Rate
19.20 GTexel/s
-
FP16 (half)
-
2.176 TFLOPS
FP32 (float)
384.0 GFLOPS
136.0 GFLOPS
FP64 (double)
-
Graphics Processor
Wimbledon
GPU Name
RV730
Wimbledon XT (216-0836036)
GPU Variant
RV730 XT E4690 (215-0729055)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.8 billion
Transistors
0.514 billion
212 mm²
Die Size
146 mm²
Board Design
100W
TDP
30W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.1
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