Radeon HD 7870 GHz Edition vs Arc A380
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 6GB VRAM Arc A380 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7870 GHz Edition 's Advantages
256 additional rendering cores
Arc A380 's Advantages
Released 10 years and 3 months late
Boost Clock2050MHz
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (186.0GB/s vs 153.6GB/s)
Lower TDP (75W vs 175W)
Score
Benchmark
FP32 (float)
Radeon HD 7870 GHz Edition
2560
Arc A380
+63%
4198
Graphics Card
Mar 2012
Release Date
Jun 2022
Southern Islands
Generation
Alchemist(Arc 3)
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
2000 MHz
-
Boost Clock
2050 MHz
1200 MHz
Memory Clock
1937 MHz
Memory
2GB
Memory Size
6GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
96bit
153.6GB/s
Bandwidth
186.0GB/s
Render Config
20
Compute Units
-
1280
Shading Units
1024
80
TMUs
64
32
ROPs
32
-
Tensor Cores
128
-
RT Cores
8
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
4 MB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
65.60 GPixel/s
80.00 GTexel/s
Texture Rate
131.2 GTexel/s
-
FP16 (half)
8.397 TFLOPS
2.560 TFLOPS
FP32 (float)
4.198 TFLOPS
160.0 GFLOPS
FP64 (double)
1050 GFLOPS
Board Design
175W
TDP
75W
450 W
Suggested PSU
250 W
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
1x HDMI 2.13x DisplayPort 2.0
2x 6-pin
Power Connectors
1x 8-pin
Graphics Processor
Pitcairn
GPU Name
DG2-128
Pitcairn XT
(215-0828047)
GPU Variant
ACM-G11
GCN 1.0
Architecture
Generation 12.7
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
2.8 billion
Transistors
7.2 billion
212 mm²
Die Size
157 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
5.1
Shader Model
6.6
