Home GPU Comparison ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GT 120 Mac Edition

ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GT 120 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 512MB VRAM GeForce GT 120 Mac Edition 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
Larger VRAM bandwidth (72.06GB/s vs 25.60GB/s)
288 additional rendering cores
NVIDIA GeForce GT 120 Mac Edition 's Advantages
Released 7 months late
Lower TDP (50W vs 106W)

Score

Benchmark

FP32 (float)
Radeon HD 3870 Mac Edition +452%
0.497 TFLOPS
GeForce GT 120 Mac Edition
0.09 TFLOPS
VS

Graphics Card

Jun 2008
Release Date
Jan 2009
Radeon R600
Generation
GeForce 100
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1126 MHz
Memory Clock
800 MHz

Memory

512MB
Memory Size
512MB
GDDR4
Memory Type
GDDR3
256bit
Memory Bus
128bit
72.06GB/s
Bandwidth
25.60GB/s

Render Config

4
Compute Units
-
-
SM Count
4
320
Shading Units
32
16
TMUs
16
16
ROPs
8
-
-
-
-
-
-
-
-
-
256 KB
L2 Cache
32 KB
-
-
-

Theoretical Performance

12.43 GPixel/s
Pixel Rate
4.400 GPixel/s
12.43 GTexel/s
Texture Rate
8.800 GTexel/s
-
-
-
497.3 GFLOPS
FP32 (float)
89.60 GFLOPS
99.46 GFLOPS
FP64 (double)
-

Board Design

106W
TDP
50W
300 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
1x DVI 1x mini-DisplayPort
1x 6-pin
Power Connectors
None

Graphics Processor

RV670
GPU Name
G96C
RV670 XT (215-0708005)
GPU Variant
-
TeraScale
Architecture
Tesla
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.666 billion
Transistors
0.314 billion
192 mm²
Die Size
121 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
1.1
4.1
Shader Model
4.0

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