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GPU Comparison
ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 280
ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 280
VS
ATI Radeon HD 3870 Mac Edition
NVIDIA GeForce GTX 280
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 1024MB VRAM GeForce GTX 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 3870 Mac Edition 's Advantages
80 additional rendering cores
Lower TDP (106W vs 236W)
NVIDIA GeForce GTX 280 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (141.7GB/s vs 72.06GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 3870 Mac Edition
0.497 TFLOPS
GeForce GTX 280
+25%
0.622 TFLOPS
Radeon HD 3870 Mac Edition
VS
GeForce GTX 280
Graphics Card
Jun 2008
Release Date
Jun 2008
Radeon R600
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1126 MHz
Memory Clock
1107 MHz
Memory
512MB
Memory Size
1024MB
GDDR4
Memory Type
GDDR3
256bit
Memory Bus
512bit
72.06GB/s
Bandwidth
141.7GB/s
Render Config
4
Compute Units
-
-
SM Count
30
320
Shading Units
240
16
TMUs
80
16
ROPs
32
-
-
-
-
-
-
-
-
-
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
12.43 GPixel/s
Pixel Rate
19.26 GPixel/s
12.43 GTexel/s
Texture Rate
48.16 GTexel/s
-
-
-
497.3 GFLOPS
FP32 (float)
622.1 GFLOPS
99.46 GFLOPS
FP64 (double)
77.76 GFLOPS
Board Design
106W
TDP
236W
300 W
Suggested PSU
550 W
2x DVI 1x S-Video
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV670
GPU Name
GT200
RV670 XT (215-0708005)
GPU Variant
G200-300-A2
TeraScale
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
65 nm
0.666 billion
Transistors
1.4 billion
192 mm²
Die Size
576 mm²
Graphics Features
10.1 (10_1)
DirectX
11.1 (10_0)
3.3 (full) 4.0 (partial)
OpenGL
3.3
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.3
4.1
Shader Model
4.0
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