Home GPU Comparison AMD Radeon 550X 640SP vs ATI Radeon HD 4670 AGP

AMD Radeon 550X 640SP vs ATI Radeon HD 4670 AGP

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 1024MB VRAM Radeon HD 4670 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages
Released 8 years and 9 months late
Boost Clock1071MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (48.00GB/s vs 25.60GB/s)
320 additional rendering cores
Lower TDP (50W vs 59W)

Score

Benchmark

FP32 (float)
Radeon 550X 640SP +185%
1.371 TFLOPS
Radeon HD 4670 AGP
0.48 TFLOPS
VS

Graphics Card

Apr 2018
Release Date
Jul 2009
Polaris
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
AGP 8x

Clock Speeds

1019 MHz
Base Clock
-
1071 MHz
Boost Clock
-
1500 MHz
Memory Clock
800 MHz

Memory

4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
64bit
Memory Bus
128bit
48.00GB/s
Bandwidth
25.60GB/s

Render Config

10
Compute Units
4
-
-
-
640
Shading Units
320
40
TMUs
32
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

17.14 GPixel/s
Pixel Rate
6.000 GPixel/s
42.84 GTexel/s
Texture Rate
24.00 GTexel/s
1371 GFLOPS
FP16 (half)
-
1371 GFLOPS
FP32 (float)
480.0 GFLOPS
85.68 GFLOPS
FP64 (double)
-

Board Design

50W
TDP
59W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
None
Power Connectors
-

Graphics Processor

Lexa
GPU Name
RV730
Lexa PRO (215-0904018)
GPU Variant
RV730 XT (215-0719047)
GCN 4.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
55 nm
2.2 billion
Transistors
0.514 billion
103 mm²
Die Size
146 mm²

Graphics Features

12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.2
Vulkan
N/A
-
-
-
6.4
Shader Model
4.1

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