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GPU Comparison
AMD Radeon HD 7950 Mac Edition vs ATI Radeon HD 4860
AMD Radeon HD 7950 Mac Edition vs ATI Radeon HD 4860
VS
AMD Radeon HD 7950 Mac Edition
ATI Radeon HD 4860
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 512MB VRAM Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7950 Mac Edition 's Advantages
Released 3 years and 6 months late
Larger VRAM bandwidth (240.0GB/s vs 96.00GB/s)
1152 additional rendering cores
ATI Radeon HD 4860 's Advantages
Lower TDP (130W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 7950 Mac Edition
+219%
2.867 TFLOPS
Radeon HD 4860
0.896 TFLOPS
Radeon HD 7950 Mac Edition
VS
Radeon HD 4860
Graphics Card
Mar 2013
Release Date
Sep 2009
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
750 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
-
28
Compute Units
8
1792
Shading Units
640
112
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
11.20 GPixel/s
89.60 GTexel/s
Texture Rate
22.40 GTexel/s
-
FP16 (half)
-
2.867 TFLOPS
FP32 (float)
896.0 GFLOPS
716.8 GFLOPS
FP64 (double)
179.2 GFLOPS
Graphics Processor
Tahiti
GPU Name
RV790
Tahiti PRO (215-0821056)
GPU Variant
RV790 GT
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.959 billion
352 mm²
Die Size
282 mm²
Board Design
200W
TDP
130W
550 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
2x 6-pin
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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