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GPU Comparison
AMD Radeon HD 7970M vs AMD Radeon R9 M385
AMD Radeon HD 7970M vs AMD Radeon R9 M385
VS
AMD Radeon HD 7970M
AMD Radeon R9 M385
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 4GB VRAM Radeon R9 M385 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970M 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 76.80GB/s)
384 additional rendering cores
AMD Radeon R9 M385 's Advantages
Released 3 years and 1 months late
Boost Clock1000MHz
More VRAM (4GB vs 2GB)
Score
Benchmark
FP32 (float)
Radeon HD 7970M
+21%
2.176 TFLOPS
Radeon R9 M385
1.792 TFLOPS
Radeon HD 7970M
VS
Radeon R9 M385
Graphics Card
Apr 2012
Release Date
May 2015
London
Generation
Gem System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
1000 MHz
1200 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
76.80GB/s
Render Config
-
SM Count
-
20
Compute Units
14
1280
Shading Units
896
80
TMUs
56
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
16.00 GPixel/s
68.00 GTexel/s
Texture Rate
56.00 GTexel/s
-
FP16 (half)
-
2.176 TFLOPS
FP32 (float)
1.792 TFLOPS
136.0 GFLOPS
FP64 (double)
112.0 GFLOPS
Graphics Processor
Wimbledon
GPU Name
Strato
Wimbledon XT (216-0836036)
GPU Variant
Strato XT
GCN 1.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
2.08 billion
212 mm²
Die Size
160 mm²
Board Design
100W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2.170
-
CUDA
-
5.1
Shader Model
6.5
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