AMD Radeon HD 7850 vs ATI Radeon HD 5770 X2
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 1024MB VRAM Radeon HD 5770 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7850 's Advantages
Released 1 years and 5 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 76.80GB/s)
224 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7850
+29%
1.761 TFLOPS
Radeon HD 5770 X2
1.36 TFLOPS
Graphics Card
Mar 2012
Release Date
Oct 2010
Southern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1200 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
76.80GB/s
Render Config
16
Compute Units
10
-
-
-
1024
Shading Units
800
64
TMUs
40
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
27.52 GPixel/s
Pixel Rate
13.60 GPixel/s
55.04 GTexel/s
Texture Rate
34.00 GTexel/s
-
-
-
1.761 TFLOPS
FP32 (float)
1360 GFLOPS
110.1 GFLOPS
FP64 (double)
-
Board Design
130W
TDP
Unknown
300 W
Suggested PSU
200 W
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x 6-pin
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
Juniper
Pitcairn PRO
(215-0828062)
GPU Variant
Juniper XT
(215-0754013)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
1.04 billion
212 mm²
Die Size
166 mm²
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0
