Home GPU Comparison ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GT 320 OEM

ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GT 320 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 1024MB VRAM GeForce GT 320 OEM 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 25.28GB/s)
248 additional rendering cores
NVIDIA GeForce GT 320 OEM 's Advantages
Released 1 years and 8 months late
More VRAM (1024GB vs 512GB)
Lower TDP (43W vs 106W)

Score

Benchmark

FP32 (float)
Radeon HD 3870 Mac Edition +164%
0.497 TFLOPS
GeForce GT 320 OEM
0.188 TFLOPS
VS

Graphics Card

Jun 2008
Release Date
Feb 2010
Radeon R600
Generation
GeForce 300
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1126 MHz
Memory Clock
790 MHz

Memory

512MB
Memory Size
1024MB
GDDR4
Memory Type
GDDR3
256bit
Memory Bus
128bit
72.06GB/s
Bandwidth
25.28GB/s

Render Config

4
Compute Units
-
-
SM Count
9
320
Shading Units
72
16
TMUs
24
16
ROPs
8
-
-
-
-
-
-
-
-
-
256 KB
L2 Cache
64 KB
-
-
-

Theoretical Performance

12.43 GPixel/s
Pixel Rate
4.320 GPixel/s
12.43 GTexel/s
Texture Rate
12.96 GTexel/s
-
-
-
497.3 GFLOPS
FP32 (float)
187.5 GFLOPS
99.46 GFLOPS
FP64 (double)
-

Board Design

106W
TDP
43W
300 W
Suggested PSU
200 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1x VGA
1x 6-pin
Power Connectors
None

Graphics Processor

RV670
GPU Name
GT215
RV670 XT (215-0708005)
GPU Variant
GT215-250-A2
TeraScale
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.666 billion
Transistors
0.727 billion
192 mm²
Die Size
144 mm²

Graphics Features

10.1 (10_1)
DirectX
11.1 (10_1)
3.3 (full) 4.0 (partial)
OpenGL
3.3
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.2
4.1
Shader Model
4.1

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