AMD Radeon HD 7850 vs AMD Radeon HD 7720 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 1024MB VRAM Radeon HD 7720 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7850 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 134.4GB/s)
224 additional rendering cores
Lower TDP (130W vs 150W)
AMD Radeon HD 7720 OEM 's Advantages
Released 1 years late
Score
Benchmark
FP32 (float)
Radeon HD 7850
+31%
1.761 TFLOPS
Radeon HD 7720 OEM
1.344 TFLOPS
Graphics Card
Mar 2012
Release Date
Mar 2013
Southern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1200 MHz
Memory Clock
1050 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
153.6GB/s
Bandwidth
134.4GB/s
Render Config
16
Compute Units
10
-
-
-
1024
Shading Units
800
64
TMUs
40
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
27.52 GPixel/s
Pixel Rate
26.88 GPixel/s
55.04 GTexel/s
Texture Rate
33.60 GTexel/s
-
-
-
1.761 TFLOPS
FP32 (float)
1344 GFLOPS
110.1 GFLOPS
FP64 (double)
-
Board Design
130W
TDP
150W
300 W
Suggested PSU
450 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
Barts
Pitcairn PRO
(215-0828062)
GPU Variant
Barts LE
(215-0798002)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
1.7 billion
212 mm²
Die Size
255 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
