Home GPU Comparison AMD Radeon HD 7720 OEM vs AMD Radeon HD 6990

AMD Radeon HD 7720 OEM vs AMD Radeon HD 6990

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7720 OEM 's Advantages
Released 2 years late
Lower TDP (150W vs 375W)
AMD Radeon HD 6990 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 134.4GB/s)
736 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7720 OEM
1.344 TFLOPS
Radeon HD 6990 +89%
2.55 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Mar 2011
Southern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
1250 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
160.0GB/s

Render Config

-
SM Count
-
10
Compute Units
24
800
Shading Units
1536
40
TMUs
96
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB

Theoretical Performance

26.88 GPixel/s
Pixel Rate
26.56 GPixel/s
33.60 GTexel/s
Texture Rate
79.68 GTexel/s
-
FP16 (half)
-
1344 GFLOPS
FP32 (float)
2.550 TFLOPS
-
FP64 (double)
637.4 GFLOPS

Graphics Processor

Barts
GPU Name
Antilles
Barts LE (215-0798002)
GPU Variant
Antilles XT (215-0807027)
TeraScale 2
Architecture
TeraScale 3
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
2.64 billion
255 mm²
Die Size
389 mm²

Board Design

150W
TDP
375W
450 W
Suggested PSU
750 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 4x mini-DisplayPort 1.2
-
Power Connectors
2x 8-pin

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
-
CUDA
-
5.0
Shader Model
5.0

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