Radeon HD 6770 vs Radeon HD 5870
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 1024MB VRAM Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6770 's Advantages
Released 1 years and 4 months late
Lower TDP (108W vs 188W)
Radeon HD 5870 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 76.80GB/s)
800 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6770
1360
Radeon HD 5870
+100%
2720
Graphics Card
Jan 2011
Release Date
Sep 2009
Northern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1200 MHz
Memory Clock
1200 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
76.80GB/s
Bandwidth
153.6GB/s
Render Config
10
Compute Units
20
800
Shading Units
1600
40
TMUs
80
16
ROPs
32
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
13.60 GPixel/s
Pixel Rate
27.20 GPixel/s
34.00 GTexel/s
Texture Rate
68.00 GTexel/s
1360 GFLOPS
FP32 (float)
2.720 TFLOPS
-
FP64 (double)
544.0 GFLOPS
Board Design
108W
TDP
188W
300 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
Juniper
GPU Name
Cypress
Juniper XT
(215-0754013)
GPU Variant
Cypress XT
(215-0735033)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.04 billion
Transistors
2.154 billion
166 mm²
Die Size
334 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
