Radeon HD 7450 OEM vs Radeon HD 6770
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7450 OEM 's Advantages
Released 1 years late
Lower TDP (18W vs 108W)
Radeon HD 6770 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (76.80GB/s vs 8.528GB/s)
640 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7450 OEM
200
Radeon HD 6770
+580%
1360
Graphics Card
Jan 2012
Release Date
Jan 2011
Southern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
533 MHz
Memory Clock
1200 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
8.528GB/s
Bandwidth
76.80GB/s
Render Config
2
Compute Units
10
160
Shading Units
800
8
TMUs
40
4
ROPs
16
8 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
13.60 GPixel/s
5.000 GTexel/s
Texture Rate
34.00 GTexel/s
200.0 GFLOPS
FP32 (float)
1360 GFLOPS
Board Design
18W
TDP
108W
200 W
Suggested PSU
300 W
1x DVI
1x HDMI 1.3a
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
None
Power Connectors
1x 6-pin
Graphics Processor
Caicos
GPU Name
Juniper
Caimour
GPU Variant
Juniper XT
(215-0754013)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.37 billion
Transistors
1.04 billion
67 mm²
Die Size
166 mm²
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
5.0
Shader Model
5.0
