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GPU Comparison
ATI Mobility Radeon HD 4850 vs AMD Radeon HD 6970M Mac Edition
ATI Mobility Radeon HD 4850 vs AMD Radeon HD 6970M Mac Edition
VS
ATI Mobility Radeon HD 4850
AMD Radeon HD 6970M Mac Edition
We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 and 2GB VRAM Radeon HD 6970M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970M Mac Edition 's Advantages
Released 2 years and 7 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (115.2GB/s vs 54.40GB/s)
160 additional rendering cores
Score
Benchmark
FP32 (float)
Mobility Radeon HD 4850
0.804 TFLOPS
Radeon HD 6970M Mac Edition
+62%
1.306 TFLOPS
Mobility Radeon HD 4850
VS
Radeon HD 6970M Mac Edition
Graphics Card
Jan 2009
Release Date
Aug 2011
M9x
Generation
Vancouver
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
850 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
256bit
54.40GB/s
Bandwidth
115.2GB/s
Render Config
-
SM Count
-
10
Compute Units
12
800
Shading Units
960
40
TMUs
48
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
8.048 GPixel/s
Pixel Rate
21.76 GPixel/s
20.12 GTexel/s
Texture Rate
32.64 GTexel/s
-
FP16 (half)
-
804.8 GFLOPS
FP32 (float)
1306 GFLOPS
161.0 GFLOPS
FP64 (double)
-
Graphics Processor
M98
GPU Name
Blackcomb
M98 L2 (216-0732019)
GPU Variant
Blackcomb XT (216-0811000)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
1.7 billion
256 mm²
Die Size
212 mm²
Board Design
Unknown
TDP
75W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
4.1
Shader Model
5.0
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