Radeon HD 4670 vs Radeon HD 3850 X3
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 512MB VRAM Radeon HD 3850 X3 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 145W)
Radeon HD 3850 X3 Advantages
Larger VRAM bandwidth (54.40GB/s vs 32.00GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 4670
+12%
480
Radeon HD 3850 X3
428
Graphics Card
Sep 2008
Release Date
Unknown
Radeon R700
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Memory Clock
850 MHz
Memory
512MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
54.40GB/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
10.70 GPixel/s
24.00 GTexel/s
Texture Rate
10.70 GTexel/s
480.0 GFLOPS
FP32 (float)
428.2 GFLOPS
Board Design
59W
TDP
145W
250 W
Suggested PSU
300 W
2x DVI
1x S-Video
1x S-Video
Outputs
4x DVI
None
Power Connectors
1x 8-pin
Graphics Processor
RV730
GPU Name
RV670
RV730 XT
(215-0719047)
(215-0719047)
GPU Variant
RV670 PRO
(215-0708003)
(215-0708003)
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)
4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
4.1
Shader Model
4.1
