Radeon HD 4670 AGP vs Radeon R9 270
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4670 AGP and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 4670 AGP 's Advantages
Lower TDP (59W vs 150W)
Radeon R9 270 's Advantages
Released 4 years and 4 months late
Boost Clock925MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (179.2GB/s vs 25.60GB/s)
960 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4670 AGP
480
Radeon R9 270
+393%
2368
Graphics Card
Jul 2009
Release Date
Nov 2013
Radeon R700
Generation
Volcanic Islands
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
800 MHz
Memory Clock
1400 MHz
Memory
1024MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
25.60GB/s
Bandwidth
179.2GB/s
Render Config
4
Compute Units
20
320
Shading Units
1280
32
TMUs
80
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
74.00 GTexel/s
480.0 GFLOPS
FP32 (float)
2.368 TFLOPS
-
FP64 (double)
148.0 GFLOPS
Board Design
59W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
-
Power Connectors
1x 6-pin
Graphics Processor
RV730
GPU Name
Curacao
RV730 XT
(215-0719047)
GPU Variant
Curacao PRO
(215-0848000)
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
