AMD Radeon RX 460 1024SP vs AMD Radeon HD 6990
GPU · Specs Compare
Graphics Card
Release Date
Jan 2017
Mar 2011
Generation
Arctic Islands
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
1090 MHz
—
Boost Clock
1200 MHz
—
Memory Clock
1750 MHz
1250 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
112.0GB/s
160.0GB/s
Render Config
Compute Units
16
24
Shading Units
1024
1536
TMUs
64
96
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
19.20 GPixel/s
26.56 GPixel/s
Texture Rate
76.80 GTexel/s
79.68 GTexel/s
FP16 (half)
2.458 TFLOPS
—
FP32 (float)
2.458 TFLOPS
2.550 TFLOPS
FP64 (double)
153.6 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Baffin
Antilles
GPU Variant
Baffin XT
Antilles XT(215-0807027)
Architecture
GCN 4.0
TeraScale 3
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
3 billion
2.64 billion
Die Size
123 mm²
389 mm²
Board Design
TDP
75W
375W
Suggested PSU
250 W
750 W
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x DVI4x mini-DisplayPort 1.2
Power Connectors
None
2x 8-pin
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2
N/A
Shader Model
6.4
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.