Radeon HD 4670 vs Radeon R9 270 1024SP
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 4670 's Advantages
Lower TDP (59W vs 150W)
Radeon R9 270 1024SP 's Advantages
Released 6 years and 6 months late
Boost Clock925MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (153.6GB/s vs 32.00GB/s)
704 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4670
480
Radeon R9 270 1024SP
+294%
1894
Graphics Card
Sep 2008
Release Date
Mar 2015
Radeon R700
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
1000 MHz
Memory Clock
1200 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
153.6GB/s
Render Config
4
Compute Units
16
320
Shading Units
1024
32
TMUs
64
8
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
6.000 GPixel/s
Pixel Rate
29.60 GPixel/s
24.00 GTexel/s
Texture Rate
59.20 GTexel/s
480.0 GFLOPS
FP32 (float)
1.894 TFLOPS
-
FP64 (double)
118.4 GFLOPS
Board Design
59W
TDP
150W
250 W
Suggested PSU
450 W
2x DVI
1x S-Video
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Processor
RV730
GPU Name
Pitcairn
RV730 XT
(215-0719047)
GPU Variant
Pitcairn PRO
(215-0828062)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.514 billion
Transistors
2.8 billion
146 mm²
Die Size
212 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
4.1
Shader Model
5.1
