Home GPU Comparison ATI Radeon HD 4670 AGP vs ATI Radeon HD 3870 X2

ATI Radeon HD 4670 AGP vs ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4670 AGP 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 Radeon HD 4670 AGP 's Advantages
Released 1 years and 6 months late
More VRAM (1024GB vs 512GB)
Lower TDP (59W vs 165W)
ATI Radeon HD 3870 X2 's Advantages
Larger VRAM bandwidth (57.66GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)
Radeon HD 4670 AGP
0.48 TFLOPS
Radeon HD 3870 X2 +10%
0.528 TFLOPS
VS

Graphics Card

Jul 2009
Release Date
Jan 2008
Radeon R700
Generation
Radeon R600
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
901 MHz

Memory

1024MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
25.60GB/s
Bandwidth
57.66GB/s

Render Config

4
Compute Units
4
-
-
-
320
Shading Units
320
32
TMUs
16
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

6.000 GPixel/s
Pixel Rate
13.20 GPixel/s
24.00 GTexel/s
Texture Rate
13.20 GTexel/s
-
-
-
480.0 GFLOPS
FP32 (float)
528.0 GFLOPS
-
FP64 (double)
105.6 GFLOPS

Board Design

59W
TDP
165W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
2x DVI 1x S-Video
-
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

RV730
GPU Name
R680
RV730 XT (215-0719047)
GPU Variant
R680 XT (215-0708017)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.514 billion
Transistors
0.666 billion
146 mm²
Die Size
192 mm²

Graphics Features

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

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