Home GPU Comparison ATI FirePro V3900 vs ATI Radeon HD 3870 X2

ATI FirePro V3900 vs ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 1024MB VRAM FirePro V3900 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V3900 's Advantages
Released 4 years and 1 months late
More VRAM (1024GB vs 512GB)
160 additional rendering cores
Lower TDP (50W vs 165W)
ATI Radeon HD 3870 X2 's Advantages
Larger VRAM bandwidth (57.66GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)
FirePro V3900 +18%
0.624 TFLOPS
Radeon HD 3870 X2
0.528 TFLOPS
VS

Graphics Card

Feb 2012
Release Date
Jan 2008
FirePro
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
901 MHz

Memory

1024MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
28.80GB/s
Bandwidth
57.66GB/s

Render Config

6
Compute Units
4
-
-
-
480
Shading Units
320
24
TMUs
16
8
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

5.200 GPixel/s
Pixel Rate
13.20 GPixel/s
15.60 GTexel/s
Texture Rate
13.20 GTexel/s
-
-
-
624.0 GFLOPS
FP32 (float)
528.0 GFLOPS
-
FP64 (double)
105.6 GFLOPS

Board Design

50W
TDP
165W
250 W
Suggested PSU
450 W
1x DVI 1x DisplayPort 1.1
Outputs
2x DVI 1x S-Video
None
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Turks
GPU Name
R680
Turks GL
GPU Variant
R680 XT (215-0708017)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.716 billion
Transistors
0.666 billion
118 mm²
Die Size
192 mm²

Graphics Features

11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3 (full) 4.0 (partial)
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
4.1

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