Home GPU Comparison AMD Radeon HD 6770 vs ATI Radeon HD 5870 Mac Edition

AMD Radeon HD 6770 vs ATI Radeon HD 5870 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 1024MB VRAM Radeon HD 5870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages
Released 7 months late
Lower TDP (108W vs 228W)
ATI Radeon HD 5870 Mac Edition 's Advantages
Larger VRAM bandwidth (153.0GB/s vs 76.80GB/s)
800 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6770
1.36 TFLOPS
Radeon HD 5870 Mac Edition +100%
2.72 TFLOPS
VS

Graphics Card

Jan 2011
Release Date
Jun 2010
Northern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1200 MHz
Memory Clock
1195 MHz

Memory

1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
76.80GB/s
Bandwidth
153.0GB/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
228W
300 W
Suggested PSU
550 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 2x mini-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

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