Radeon HD 4670 vs Radeon HD 6970 X2
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 4670 Advantages
Lower TDP (59W vs 375W)
Radeon HD 6970 X2 Advantages
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (176.0GB/s vs 32.00GB/s)
1216 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4670
480
Radeon HD 6970 X2
+463%
2703
Graphics Card
Sep 2008
Release Date
Unknown
Radeon R700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Memory Clock
1375 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
176.0GB/s
Render Config
4
Compute Units
24
320
Shading Units
1536
32
TMUs
96
8
ROPs
32
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
6.000 GPixel/s
Pixel Rate
28.16 GPixel/s
24.00 GTexel/s
Texture Rate
84.48 GTexel/s
480.0 GFLOPS
FP32 (float)
2.703 TFLOPS
Board Design
59W
TDP
375W
250 W
Suggested PSU
750 W
2x DVI
1x S-Video
1x S-Video
Outputs
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
3x 8-pin
Graphics Processor
RV730
GPU Name
Antilles
RV730 XT
(215-0719047)
(215-0719047)
GPU Variant
Antilles XT
(215-0807027)
(215-0807027)
TeraScale
Architecture
TeraScale 3
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.514 billion
Transistors
2.64 billion
146 mm²
Die Size
389 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
4.1
Shader Model
5.0
