Home GPU Comparison ATI Radeon HD 3850 AGP vs ATI Radeon HD 5450 PCI

ATI Radeon HD 3850 AGP vs ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 AGP 's Advantages
Larger VRAM bandwidth (52.99GB/s vs 5.328GB/s)
240 additional rendering cores
ATI Radeon HD 5450 PCI 's Advantages
Released 2 years and 1 months late
Lower TDP (19W vs 75W)

Score

Benchmark

FP32 (float)
Radeon HD 3850 AGP +311%
0.428 TFLOPS
Radeon HD 5450 PCI
0.104 TFLOPS
VS

Graphics Card

Jan 2008
Release Date
Feb 2010
Radeon R600
Generation
Evergreen
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCI

Clock Speeds

-
-
-
-
-
-
828 MHz
Memory Clock
333 MHz

Memory

512MB
Memory Size
512MB
GDDR3
Memory Type
DDR2
256bit
Memory Bus
64bit
52.99GB/s
Bandwidth
5.328GB/s

Render Config

4
Compute Units
2
-
-
-
320
Shading Units
80
16
TMUs
8
16
ROPs
4
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

10.69 GPixel/s
Pixel Rate
2.600 GPixel/s
10.69 GTexel/s
Texture Rate
5.200 GTexel/s
-
-
-
427.5 GFLOPS
FP32 (float)
104.0 GFLOPS
85.50 GFLOPS
FP64 (double)
-

Board Design

75W
TDP
19W
250 W
Suggested PSU
200 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.3a
1x 8-pin
Power Connectors
None

Graphics Processor

RV670
GPU Name
Cedar
RV670 PRO (215-0708003)
GPU Variant
Cedar PRO
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.666 billion
Transistors
0.292 billion
192 mm²
Die Size
59 mm²

Graphics Features

10.1 (10_1)
DirectX
11.2 (11_0)
3.3 (full) 4.0 (partial)
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
5.0

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